1) 1-gatsu no Merry-Go-Round (1月のメリーゴーラウンド)
A sequel to Osanpo no Jikan. A high school girl has a crush on a boy two years younger, but she has always insisted she could never date a younger guy.

2) 3-gatsu no Dai 2 Button (バスケットガール!!)
A sequel to Osanpo no Jikan. A girl realises that she likes her childhood friend...