Yukina

Biodata

Feature	Information
Name	Yukina Himeragi (Yukina; 雪菜)
Alias(es)	Sword Shaman
Gender	Female
Affiliation	Lion King Agency
Occupation/Role	Sword Shaman; assigned monitor of Yotsuba Mahiro
First Appearance	Chapter 504 (backstory mention) 504

Background

Seven years before the events surrounding her assignment, Yukina was rescued from a group intending to sacrifice her by Touka Fujisaka. Touka died while protecting her after taking in excessive divine energy and becoming a Synthetic Angel. 504

After rigorous training, Yukina became proficient with Schneewaltzer and passed the qualifications to become a Sword Shaman. The Three Sages then assigned her to monitor Yotsuba Mahiro, whom they suspected could control the Fourth Primogenitor and disrupt the world's balance. 546

Personality

Yukina is earnest, direct, and strongly committed to her duties. When introducing herself to Asagi Aiba, she openly disclosed both her position as Mahiro's monitor and the Lion King Agency's involvement, despite Mahiro not intending to reveal those matters. 570

Her loyalty is not blind. After speaking with her familiar, she begins questioning the Lion King Agency's claim to impartial justice and accepts that the organization has made compromises with powerful forces to preserve balance. 552

She is protective of those close to her, pleading for Sayaka Kirasaka when Mahiro threatened her and defending Kanase Kanon during Mercury Amatsuka's intrusion. 563 606

Abilities & Skills

Sword Shaman Training

Yukina completed Sword Shaman training and is proficient in wielding Schneewaltzer. 546

• Reacted instinctively to a lethal training strike and evaded it before conscious thought could intervene. 545
• Drew Schneewaltzer against Kiriha Kisaki when the Taishi Bureau mage approached Mahiro. 614
• Was selected for a mission considered important enough to require her demonstrated combat ability. 545 546

Spiritual Mediumship

Yukina is an outstanding medium; this aptitude was a reason for her recruitment into the Lion King Agency. 590

• Her spiritual power is substantial, though Princess La Folia's is described as stronger. 590
• She has a familiar through which her master conveys information, including the Lion King Agency's political compromises. 552

Equipment

• Schneewaltzer — A spear carried inside a guitar case and used as Yukina's primary weapon. 546 614
• Guitar case — Conceals and transports Schneewaltzer. 614

Relationships

• Yotsuba Mahiro — Assigned to monitor him because of suspicions that he controls the Fourth Primogenitor. Their dynamic becomes more personal as she worries about his safety, accompanies him to Dimitrie Vattler's party, and struggles with being treated solely as a monitor rather than a guardian. 546 557 563 564 570
• Sayaka Kirasaka — Her close friend and fellow Sword Shaman. Yukina pleads for Sayaka's life when Mahiro threatens her, while Sayaka investigates the Black Death Emperor Faction in part to protect Yukina. 563 570
• Kanase Kanon — Yukina protects Kanon during Mercury Amatsuka's attack on her villa. 606
• Three Sages — The Lion King Agency authorities who assigned Yukina to monitor Mahiro. 546
• Lion King Agency — Her employing organization; Yukina later learns it has made deals with powerful entities despite presenting itself as impartial. 546 552

Story Role / Major Arcs

Assignment to Monitor Mahiro

Following her Sword Shaman qualification, Yukina is ordered to observe Mahiro due to the danger posed if he truly controls the Fourth Primogenitor. 546

Keystone Gate Operation

Yukina joins Mahiro, Rudolf, and Astarte in breaching the Keystone Gate to recover the saint's arm serving as Itogami Island's foundation stone. During the operation, she questions both Mahiro's actions and the elders' decisions, only for Mahiro to remind her that she is his monitor, not his guardian. 557

Vattler's Party and the Black Death Emperor Faction

Yukina persuades Mahiro to bring her as his companion to Dimitrie Vattler's party and gains confidence after Mahiro reassures her about her appearance. 563 564

When Asagi confronts Mahiro over Narakvera, Yukina candidly reveals her assignment and Mahiro's concealed history, leaving Asagi shocked. 570

Later Conflicts

Yukina accompanies Mahiro and Gada during the investigation connected to Kanase Kensei and the Mock Angel ritual. 588

After Mahiro's actions concerning the Prison Barrier, she shows concern over his condition and asks about his recent activities. 596

When Mercury Amatsuka breaks into her villa, Yukina protects Kanon until Zeta arrives to intervene. 606

Notable Quotes

“...Nice to meet you. I'm Yukina Himeragi, a third-year middle school student. I was sent by the Lion King Agency to monitor Yotsuba-senpai...” 570

“But there are other women who know senpai's true identity, have an Attack Mage license, and are a suitable age, aren't there?” 563