Sakata's big brother's love for Goma-chan can't be stopped. It's reached a point where everyone is starting to worry about Goma-chan. So Ashibe-kun and his friends decide to try to help Sakata's big brother "graduate" from Goma-chan! They attempt several things, like trying to get him interested in other animals and popular idols... but can Sakata's brother ever outgrow his love for Goma-chan?
My brother's name is Koichi! Koichi!
!اسم أخي هو كويتشي! كويتشي
Mein Bruder heißt Koichi. Koichi!
Mi hermano se llama Koichi.
Mon frère s’appelle Kôichi !
Compris ?
Mio fratello si chiama Koichi! Koichi!
O nome do meu irmão é Koichi! Koichi!
Моего брата зовут Коити! Коити!