Marin

Biodata

Feature	Details
Name	Kitagawa Marin
Alias(es)	Hai Meng; “First Wife”; “Little Sun” 30 44 164
Species/Race	Human 30
Gender	Female
Affiliation	Chen Family household; partner of Chen Tian
Occupation/Role	Student; model; household organizer 1 25 30
Status	Active
First Appearance	Chapter 1

Background / History

Marin is Chen Tian’s girlfriend and one of the first people to become closely involved with his hidden supernatural life. Although she initially knows him primarily as a performer, she discovers his Enma Sword and portal abilities during their Halloween outing in Shibuya. Rather than withdrawing, she reacts with fear, curiosity, and excitement, encouraging him as he leaves to confront the crisis 2 3.

She and Chen Tian’s relationship develops into a committed domestic partnership. Marin becomes his publicly recognized girlfriend, moves in with him, and helps create the household that later becomes known as the Chen Family mansion. She had been living with Chen Tian for three months and seven days by the time Rin visited them 29.

When Tohsaka Rin returns to Japan following the death of her mother, Marin takes personal responsibility for her cousin’s welfare. She asks Chen Tian to let Rin stay with them and considers becoming Rin’s guardian, even though Rin’s involvement in the Holy Grail War makes the situation dangerous 30. Chen Tian later promises to protect Rin and help her reunite with Sakura 30 41.

Marin’s relationship with Chen Tian becomes increasingly open and possessive as more women join his household. She eventually declares herself the “First Wife” and decides to help integrate potential members into the family rather than simply competing with them 44 50. She also accepts Artoria, Tohru, Fubuki, Esdeath, and others as part of the extended household 50 82 164.

During Chen Tian’s three-day absence, Marin maintains order at the mansion and supports the other girls. Her relief at his return reveals how strongly she identifies with the household’s stability and her role within it 162 164.

Appearance

Marin is a fashionable blonde young woman with brightly colored hair, including pink-tinted ends in later appearances. She is usually depicted in trendy clothing and carries an energetic, expressive presence.

• Blonde hair with pink tips 81
• Bright, lively eyes and a radiant smile 1 164
• Fashionable gyaru-style presentation
• Often wears casual modern clothing, modeling outfits, or themed costumes 1 55 107
• Recognizable for her energetic body language and affectionate physical contact with Chen Tian 29 81

Personality

Marin is cheerful, affectionate, spontaneous, and highly expressive. She enjoys travel, cosplay, concerts, food, and unusual experiences, often acting before fully considering the consequences. Her carefree attitude contrasts with Chen Tian’s preference for peace and quiet, though he generally indulges her impulses 22.

Despite her playful behavior, Marin is attentive to the people she considers family. She worries about Rin’s safety, looks after Tohru and Kanna, and takes responsibility for maintaining morale in the mansion. When Chen Tian disappears, she suppresses her own anxiety and keeps the household functioning until his return 30 81 164.

Marin can also be jealous and territorial. She openly challenges Kaguya and other women who show interest in Chen Tian, but her possessiveness gradually develops into a pragmatic willingness to accept them as allies and family members 21 24 44. Her insistence on safety shows that she treats the household’s complicated relationships as a responsibility rather than a mere rivalry 43 44.

She is proud of Chen Tian’s accomplishments and frequently promotes him to others. At his concert, she enthusiastically recounts how she first became attracted to him and how she ultimately became his girlfriend 36.

Abilities & Skills

Social and Emotional Intelligence

Marin is skilled at reading the emotional dynamics within Chen Tian’s household. She recognizes Rin’s growing feelings for Chen Tian and addresses the situation directly rather than allowing jealousy to escalate 43 44.

• Mediates conflicts among the household members
• Helps newcomers feel accepted
• Understands the insecurity and rivalry among Chen Tian’s partners
• Uses humor, affection, and direct conversation to reduce tension 43 164

Household Management

Marin becomes the household’s informal leader and organizer. She arranges meals, costumes, outings, shopping trips, and welcoming ceremonies for new members 53 84 107 164.

• Organizes family activities and travel
• Helps coordinate the mansion’s daily life
• Maintains order when Chen Tian is absent
• Takes responsibility for welcoming Esdeath and other newcomers 164

Modeling and Public Presence

Marin earns income through modeling and is comfortable in the public eye. She is also accustomed to Chen Tian’s fame and attends or helps promote his concerts 1 30.

• Works as a model
• Handles public attention with confidence
• Supports Chen Tian’s career and stage persona as Nero
• Uses her social energy to connect people around him 1 25 36

Culinary and Domestic Skills

Marin is willing to cook and care for others, although her cooking attempts are not always successful. She once overcooked a meal while trying to prepare food for Chen Tian, who responded by cleaning her face and taking over the kitchen 29.

• Prepares meals and snacks for the household
• Helps organize large family dinners
• Takes responsibility for preparing food when Chen Tian returns 85 164
• Shows enthusiasm even when her cooking produces mixed results 29

Relationship-Building

Marin’s most significant influence is her ability to build bonds between people from different worlds. Her kindness toward Tohru leads to Tohru joining the household, while her concern for Rin helps establish a new family structure after the Holy Grail War 30 41 82.

• Rescues and shelters the injured Tohru 82
• Forms a friendship with Tohru based on mutual loyalty
• Supports Rin and Sakura during their transition to a new life
• Welcomes Esdeath through respect rather than confrontation 164

Equipment / Items

• Unlimited black card — A card associated with Chen Tian and originally provided by Satoru Gojo; Marin uses it during household purchases 53.
• Audi R8 — A sports car purchased for Marin and Chen Tian’s use 44 50.
• Silver-gray Elfa — A family vehicle purchased by Marin for the household 53.
• Cosplay outfits — Marin helps prepare themed costumes for the household’s return celebrations 107.
• Water gun — Used by Marin during the mansion’s water battle, where she leads one of the competing factions 207.

Relationships

• Chen Tian — Boyfriend and partner. Marin is his first publicly acknowledged girlfriend and later claims the title of “First Wife.” Their relationship is affectionate, intimate, and sometimes competitive 1 25 44.
• Tohsaka Rin — Cousin. Marin worries about Rin’s safety, offers her a home, and tries to become her guardian after the death of Rin’s mother 30 41.
• Tohsaka Sakura — Cousin’s younger sister and member of Marin’s household. Marin treats Sakura as family and includes her in the household’s future plans 41 50.
• Shinomiya Kaguya — Rival for Chen Tian’s affection and later an accepted member of the household. Marin frequently teases and challenges her, but also cooperates with her in managing family affairs 24 44 53.
• Yukino Yukinoshita — Chen Tian’s partner and a household member. Marin encourages her to participate in family activities and helps her adjust to the household’s dynamics 46 84.
• Artoria — Chen Tian’s Servant and household member. Marin treats her warmly and includes her in family outings and celebrations 50 82.
• Tohru — Friend and household member. Marin rescued Tohru after finding her injured and later became the reason Tohru refused to return to the dragon realm 82 87.
• Kanna — Household member. Marin scolds and cares for her like a younger family member 81.
• Fubuki — Chen Tian’s partner and a member of the household. Marin invites her home and helps integrate her into the family 81 85.
• Esdeath — A later member of Chen Tian’s household. Marin defuses their first meeting by bowing and thanking Esdeath for looking after Chen Tian 164.
• Satoru Gojo — Chen Tian’s associate. Gojo teases Marin about the household’s relationships and refers to her as the eldest daughter-in-law 81 198.

Story Role / Major Arcs

Shibuya Incident

Marin accompanies Chen Tian during Halloween in Shibuya and witnesses the appearance of the Enma Sword and a spatial portal. She supports his decision to enter the crisis despite being frightened for his safety 2 3. After the resulting explosion, she is distressed by the reported death toll and relies on Chen Tian for reassurance 9.

Rin and the Tohsaka Family

Marin asks Chen Tian to let Rin live with them and wants to protect her from the dangers surrounding the Holy Grail War. She later gives Rin a concert ticket as a surprise and proudly introduces her to Chen Tian’s identity as the performer Nero 30 33 37.

After Chen Tian ends the Holy Grail War, Marin becomes part of the new family structure that allows Rin and Sakura to begin a life in Tokyo 41 42.

The “First Wife” Household

As Chen Tian’s relationships expand, Marin openly establishes herself as the household’s senior partner. She accepts that other women may join the family but insists on retaining authority as the First Wife 44 50. She helps arrange outings, celebrations, costumes, and household rules while continuing to compete playfully for Chen Tian’s attention 53 84 107.

Tohru’s Arrival

Marin discovers the injured Tohru during a morning run, removes the sword from her body, and brings her home for treatment. This act creates a lasting bond between them and results in Tohru and Kanna joining the household 82.

When Tohru’s father demands that she return to the dragon realm, Tohru refuses because Marin saved her and treated her as a friend. Marin’s connection to Tohru is subsequently protected by Chen Tian 87.

Chen Tian’s Return

When Chen Tian disappears during the events surrounding Sangetsudo, Marin keeps the household together for three days while worrying about his safety. Upon his return, she welcomes him with visible relief and immediately begins preparing food for him 162 164.

Marin then takes the lead in welcoming Esdeath, using a formal bow and words of gratitude to prevent a confrontation between the established household and the newcomer 164.

Notable Quotes

“I want to be the First Wife!” 44

“No matter how many women end up in this house later, I’m going to keep them all under me!” 44

“Thank you for taking care of Tian Jun! Sister Esdeath!” 164

“Darling! Welcome home~” 81

Trivia

• Marin calls Chen Tian “Tian Jun” and is also associated with his nickname for her, “Little Sun” 30 164.
• She is eighteen years old in the story’s revised characterization 1.
• Marin was the person who pulled the divine sword from Tohru, replacing the original event in which another character would have done so 82.
• She helped turn the Chen household into a family-like community despite its many competing personalities and relationships 107 164 200.
• Marin is introduced to Chen Tian’s mothers as the “eldest daughter-in-law” and receives their approval 198.