Gina Boyd

Zina Void (ジーナ・ボイド, Jīna Boido; "Zina Void") is a foreign transfer student from Russia who goes to Koyo Women's Academy and one of the main characters of the series.

Appearance
Zina is a tall teenage girl with chin-length white hair and blue eyes. She wears a short gray tank top and matching gray short shorts.

Personality
Similarly to Akemi, Zina loves muscles. She is a very competitive person as shown during her debut episode. After losing to Hibiki in an arm wrestling match, she enrols in her school and even moves in her house for the sole reason of having a rematch with her one day. However, she is overall a nice person.

History
Zina is stated to have been trained in martial arts since she was a kid. She attended Kremlin West High School.

Plot
She first appears in a Japanese airport. She faces Hibiki in an arm wrestling tournament and loses. For this reason, she moves to Japan to have a rematch with Hibiki one day and moves into her house. In Koyo Women's Academy, she is put in the same class as Akemi, and she mistakenly believes that Hibiki is in her class.

She later discovers Satomi's cosplay hobby but does not tell the other students about it.

Physical Abilities
She is trained in Sambo. She states that she has never lost in arm-wrestling to anyone her age before meeting Hibiki.

Relationships
Sakura Hibiki: After Hibiki defeated Zina in an arm-wrestling match, the latter decided to move to Japan to have a rematch one day. Zina sees Hibiki as a rival, but Hibiki does not care about that,

Soryuin Akemi: Akemi and Zina get along due to their love of muscles.

Tachibana Satomi: Zina is the first to discover Satomi's hobby as a cosplayer. She keeps it a secret, due to her being a fan of Satomi's.

Notes & Trivia

 * She is apparently the niece of Iwan Karaev from Kengan Ashura.
 * She cannot handle hot temperatures.
 * She cannot tell the difference between Chinese culture and Japanese culture.