Riku's older brother and Aika's cousin. Due to insomnia at night, he keeps nodding off during in class and starts to have problems because of it.
💜 Primary (4)
Chiyuki Touko
千雪 灯子
♀ f
Kouhei's good friend, she loves to intrude on Kouhei whenever he's sleeping in the infirmary at the lunch time, sleeping together with him without regard to the fact they're a man and a woman.
Hanatsuka Aika
花塚 藍果
♀ f
Kouhei and Riku's cousin. She chose to attend the same school as Kouhei and Riku, in addition to that she lives together with the siblings. She and Riku are much like sisters. She has a hidden hobby that is painting
Katagiri Tsubame
片桐 つばめ
♀ f
Kouhei sees her as a very responsible senior student. Tsubame is a student with excellent grades, and a beauty who used to be the student council president.
Kumakura Yoake
熊倉 夜明
♀ f
She's in the same class as Kouhei and refuses to attend the class because she wants to sleep during classes. She's always groggy, and also a huge clutz.
👤 Side (4)
Funyuu Nanako
船生 菜々子
♀ f
Funyuu Yukariko
船生 紫子
♀ f
Kozuya Riku
小鳥谷 凛空
♀ f
Kouhei's younger sister and Aika's cousin, she's really close with Aika. Similar to the siblings' mother, she has a very really mature personality and always takes care of the housework by herself.
