Sumireko is voiced by Ami Koshimizu She and her sister who are Nozomu's childhood friends and was his next door neighbour in there childhood. She and her sister also attend the same school as Nozomu, Keisuke Kosaka, Yura Sakurazuki and Kira Sakurazuki throughout the anime. She and her sister live in a house with there parents. They are in third year of middle school.
Sumireko doesn't put her hair in a ponytail like Kauroko
In kindergarten She and her sister said they would both marry him when they grow up.
Role in Plot
She and her sister harbor secret feelings for Nozomu.
Although she and her sister are close, they keep their feelings secret from each other and everyone else.
Ichijō Extreme Fan Club
- They have a fan club they don't know about.
- They are in third year of middle school.