Hanamaru Kindergarten

Hanamaru Kindergarten (はなまる幼稚園, Hanamaru Yōchien) is a Japanese manga series written and illustrated by Yuto and published by Square Enix. The anime adaptation was produced by Gainax and broadcast in Japan on TV Tokyo from January 10 to March 28, 2010.

Plot
Anzu goes to a kindergarten with her friends, Koume and Hiiragi. Together they try to attract attention from their caretaker Tsuchida. However, he is clearly more interested in the pretty Yamamoto who supervises the class next door. Though Anzu tries a hard attempt to convince to marry Tsuchida when she grows up, Tsuchida is trying to have a date with Yamamoto; or if not, get engaged with her.