Number 11 of UQ Holder's immortal squad, Numbers. A 14 year old who comes from a tribe of demi-humans (Yatagarasu) where children are born genderless, but can choose to become male or female during a ceremony on their 16th birthday. Kuroumaru currently wants to become male, and thus identifies as and presents himself as a boy. He has romantic feelings for Touta, but denies it to everyone who points it out, claiming he only wants "male friendship" with Touta. He is a practitioner of the Shinmeiryuu, a sword style also seen in Ken Akamatsu's previous series.

Negi Springfield, the boy wizard of the hit manga Negima!, fought and won many battles. Now it is decades later and Negi’s grandson(!), a little boy name Touta, dreams of leaving his quiet village and heading to the City. But first he must defeat his teacher … the immortal vampire, Evangeline! Witness the dramatic beginning of a futuristic battle fantasy
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(Source: Kodansha USA)

In the decade since the world became aware of the existence of magic, the world has undergone massive upheaval. However, a boy named Touta lives in seclusion in a rural town far removed from these changes. His ordinary life is highlighted by his magic-using female teacher and his supportive friends. When his tranquil daily life is disrupted, he embarks on a unique adventure.<br><br>

(Source: Anime News Network)

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Part of the idol unit [AOP](https://anilist.co/staff/150932/AOP).

[Synchronkartei](https://www.synchronkartei.de/sprecher/6531/2)

Bundled with the 14th, 16th, and 17th volume of the UQ Holder! manga.


Kuroumaru Tokisaka