Yaita Ikumi is an original member of the Hana-Gumi and the former Head of Kawa Mid. He was a participant in his generation's Freshmen War and made it to the Best Eight. However, he was unable to continue due to being admitted to the hospital for food poisoning.
As a former middle school Head, Yaita is known for his fighting prowess, but is also equally well-known for his weak stomach, which always causes problems at the worst possible times.
He is nicknamed "Grey-Hair-kun" by Tsukishima Hana at their first encounter.
After graduation, he is seen working at a supermarket .