Hamaji Youhei, a high school freshman, lives his life aimlessly, lazing around all day. He can't keep up with his studies, no good at sports and won't stick with anything for long. Besides that he's a pervert who's continuously rejected by girls. A sophomore convinces him into joining a club where he could lunge at girls, fondling and touching all he wanted. Thus he joined the Water Polo Club. Can Youhei, who never sticks with anything for long, find his place in this club?

Kamizaka Haruhi having been rescued when she was young by a mage, longed to be a mage herself, so she enrolled into a special school that allows regular and magic classes into two different sections. Together with her rival/best friend, Hiiragi Anri, they study magic together while she is searching for the boy that saved her years ago, to give him a Valentines' chocolate. (Source: ANN)

End of the series.

Hitotose Chitose is now living together with his 5 teachers as his mothers when a mysterious girl appears and becomes their neighbor which turns out that that person is Nagatsuki Kuron who wants Mu-chan to be her mother so another sibling rivalry ensues as to who would end up as Mu-chan's child. (Source: ANN)