Riki

Biodata

Feature	Value
Name	Riki
Alias(es)	Lu Yi (陆宜); Rikki (while disguised)
Gender	Male
Affiliation	Haicheng University; music advisor/director for MyGO and Mujica
Occupation/Role	University student; composer; multi-instrumentalist; online video creator; dimensional traveler
Status	Active
First Appearance	Chapter 1

Background / History

Riki is a Haicheng University student from China and an avid fan of the MyGO anime, particularly Toyokawa Sakiko. Before meeting her, he watched anime at home, wrote music, and maintained an online presence through cooking and music videos. His tutor considers his composition ability exceptional, even placing him above senior students. 1 4

Sakiko suddenly appears in his home after crossing into his world. Though initially shocked and armed with a convention-bought Tōyako, Riki helps establish that she has come from another world by showing her footage of her own world. When her school cannot be found in his world, he gives her practical support and gradually becomes her closest companion. 1

As more girls from Sakiko's world arrive or encounter him, Riki becomes involved with MyGO and Mujica. He serves as a composer and music advisor, supports Sakiko's effort to form Mujica, and uses his musical ability, social connections, and online platform to aid their projects. 16 17 194

Riki's dimensional ability later develops beyond accidental travel. He learns to predict and actively control crossings, can return to the other world by opening a passage, and eventually summons Sakiko directly into his world. 309 311

Appearance

Riki is described as a handsome young man with noticeable arm muscles, attractive eyes, and a pleasant voice. 30

• Recognized by others for his good looks and popularity at school. 24 144
• Is physically capable enough to pin down an opponent and compete in beach volleyball. 158 162
• Occasionally uses the identity “Rikki” as a disguise. 155

Personality

Riki is outwardly relaxed, humorous, and highly self-confident. His internal monologue is filled with gaming references, exaggerated self-appraisal, and jokes, but he can remain composed in tense situations, including confrontations with Nagasaki Sose and Sakiko's grandmother. 4 69

He is considerate toward people in distress. He patiently listens to Sakiko after her breakdown, helps Akari explore and adjust to a new world, encourages Mutsuki to smile, and offers practical help to Runa, Mana, and others. 3 60 62 161 235

Riki also takes responsibility for the people around him. He describes himself as a “reliable adult” despite being a first-year university student, and repeatedly tries to resolve tension among former Crychic members rather than abandon any of them. 203 235

His major personal conflict is his determination to maintain relationships with multiple girls at once. Although he recognizes the jealousy and complications this causes, he remains committed to pursuing a harem relationship rather than choosing only one partner. 154 187 204

Abilities & Skills

Dimensional Travel

Riki can travel between his home world and the world inhabited by Sakiko and the other band girls.

• Initially experiences crossings without understanding their mechanism. 58
• Can return to his own world, sometimes bringing another person across with him. 160
• Later learns to anticipate travel timing and actively control his crossings. 309
• Can open a passage and directly summon Sakiko to his world. 311
• His travel duration appears to increase over time. 309

Composition and Music Direction

Riki is an accomplished composer and advisor whose work supports both MyGO and Mujica.

• Wrote a piano piece for Sakiko that she performed and uploaded online. 4
• His tutor praises his rapid improvement and considers him stronger than his seniors. 4
• Serves as MyGO's music director/advisor and later as Mujica's music director. 8 194
• Finalizes Mujica's practice plans and helps coordinate both bands for performances. 302 303
• Wins first place in the Haicheng Music Hall competition with an impromptu piece. 325

Multi-Instrumental Performance

Riki is proficient across several instruments rather than only composing.

• Performs “Flight of the Bumblebee” on piano at a speed that draws a crowd. 32
• Plays bass well enough to impress Mikumura Shioka, Shiina Riki, and Hachiman Mairin. 30 67
• Sings and plays guitar in a video shown to Wakame. 17
• Wins a piano-duet competition with Sakiko. 10

Online Content Creation

Riki produces music and cooking videos and can turn musical collaborations into online attention.

• Uploads Sakiko's piano performance, which reaches the trending page and surpasses two million views. 4 6
• His videos with Wakame gain popularity and followers. 73
• His cooking videos featuring Sakiko attract both teasing and praise from viewers. 10
• Is credited with helping Wakame's video reach 250,000 views within half an hour. 68

Physical Ability

Riki has shown practical athleticism and quick reflexes.

• Saves Sakiko when a railing breaks beneath her. 327
• Wins a beach-volleyball exhibition match with Shiina Riki. 158
• Easily restrains Liuwa in a confrontation. 162
• Uses steady hands and sharp eyes to win a limited-edition lipstick from a claw machine. 61

Equipment / Items

• Tōyako — A sword purchased at an anime convention; Riki grabs it when he believes a thief has entered his home. 1
• Phone — Used to show visitors media from their world, manage contacts, communicate across his social circle, and investigate the nature of his transmigration. 1 58
• Online video account — Platform for his cooking, music, and collaboration videos. 6 10 73

Relationships

• Toyokawa Sakiko — Initially Riki's favorite fictional character; after her arrival, he becomes her primary support, collaborator, housemate, and boyfriend. He helps her pursue Mujica and faces the Toyokawa family with her. 1 16 69 167
• Nagasaki Sose — Initially suspicious of Riki, Sose gradually warms to him. Their relationship is marked by tension, mutual interest, and Sose's competitive behavior toward his other partners. 4 24 61 240
• Takamatsu Akari — Riki acts as a patient guide and protector for Akari, later becoming her boyfriend. He helps her adapt after she crosses into his world. 3 161 301 303
• Shiina Riki / Rikki — A music collaborator and romantic partner. Rikki is possessive and often jealous, but Riki reassures her that he likes her as she is. 140 157 205
• Wakaba Mutsuki — Riki treats Mutsuki gently and encourages her happiness; she becomes curious about him and later supports his relationship arrangement. 60 64 204
• Mikumura Shioka / Hatsuka — Initially a curious acquaintance through music, Shioka becomes one of Riki's girlfriends and publicly calls him important to her. 30 195 246
• Kaname Runa — Meets Riki after he borrows and damages her bicycle. Riki offers to repair it and later helps with her bike and safety. 6 62
• Yutenji Wakame — A friendly collaborator whom Riki encourages to try drumming; their videos later gain significant attention. 17 68 73
• Sumiida Mana — A friend whom Riki supports when she is struggling; he later agrees to help at her family's shrine. 235 279
• Hachiman Mairin / Hailing — A fellow musician with a guarded attitude toward Riki, particularly concerning Rikki. She tracks his actions through an unexplained point system. 195 220
• Rokko — Riki's friend and fellow Haicheng University student. Rokko is shocked to learn Riki has multiple girlfriends but ultimately affirms that Riki is a good person. 239 240

Story Role / Major Arcs

Sakiko's Arrival and Early Support

Riki meets Sakiko after she appears in his home, verifies that she is from another world, and helps her navigate life in his world. Their relationship develops through shared meals, music, and Riki's support during Sakiko's emotional struggles. 1 3 4

Music Career and Band Involvement

Riki becomes increasingly involved in the music scene as a composer, performer, and advisor. He supports MyGO, aids Sakiko's Mujica project, collaborates with creators such as Wakame, and gains online visibility through performance videos. 6 16 17 67

Former Crychic Relationships

As former Crychic members grow closer to Riki, he attempts to support each girl's feelings while repairing the group's fractures. He proposes an Okinawa training camp to mend their relationships and later hosts gatherings for the former members. 154 157 203

Controlled Transmigration

Following repeated unexplained crossings, Riki begins to understand and control his dimensional power. He returns to his own world with Akari, later realizes he can open passages voluntarily, and summons Sakiko directly. 160 309 311

Harem Pursuit

Riki openly states his intention to build a relationship with multiple girls rather than give up on any of them. The decision causes ongoing jealousy and disagreement, especially from Rikki, while Sakiko, Sose, Mutsuki, and Akari respond in different ways. 154 204 273

Trivia

• Riki is a self-professed Sakiko fan; before meeting her, he calls her his favorite anime character. 1
• He frequently frames events through game, anime, and internet-culture references. 4 27 67
• He cannot openly explain his transmigration to most people, expecting they would not believe him. 58
• The author notes that Riki is often written primarily as a joking, complaining protagonist and a device through which the girls' stories are developed. 326