Ayumi Oikawa (及川あゆみ Oikawa Ayumi) is a classmate of Tsutomu Yamaguchi. He introduces her to Mikako Kouda as someone who has big empty storage room they needed to work on the huge Akindo display sign for the Flea market. She studies visual design at Yazawa School for the Arts.
Eventually, she becomes a friend to everyone and a member of Akindo.
Very little is known about her biography. Ayumi's grandfather was a sculptor. She is known in Visual Art class as someone with good artistic taste. Tsutomu gets close to her after working together on some group project. She volunteers to help him with the sign and that brings her closer to the Akindo group. She gets impressed more and more by Yuusuke, especially after seeing him so often after school.
In the future, she works at the same design company as Yuusuke Tashiro, where she is responsible for creating and ideas.
In the very distant future, she eventually gets married with him at 27 and gets pregnant around the same time as Mikako Kouda.
Ayumi is a tall young woman with long dark hair, dark-colored eyes and she wears modest clothes.
Personality and traits
Ayumi has nice personality and looks very mature. Besides being beautiful and intelligent, she's also modest and friendly.
Ayumi falls in love with Yuusuke Tashiro when he's still in relationships with Mariko Nakasu. She doesn't want to break their relationship, but also can't help herself as she develops quite strong feelings towards him. He doesn't notice her feelings at first, but her quiet and gentle expression of love that feels distinctly different from heedless and selfish Mariko eventually reaches his recognition.