Our protagonist Ninomiya Daigo attends Aoba Academy, where his childhood friend Kana was recently appointed as the new English teacher after finishing university in another city. However, Kana moves to Daigo's house to some reason and she's completely unable to do any housework, so it's up to Daigo to take care of her! However, Daigo does his best in order to make her fall with him and answer his confession in the next Tanabata festival.

However, future nurse Michiru Kaido also moves into Daigo's house, and she seems particularly interested in Kana and Daigo's relationship...

[translated from Getch]