Based on the manga by Osuzu Akiomi.
Episode 1:
The story is about a brother Ani and his younger sister Kasumi who begin developing feelings towards one another.
Episode 2:
It's a love story of Sahara Satoshi and Aoba Chinatsudo walking to the same school.
Episode 3:
Is the story of Makoto and Kouichi.
(Source: AniDB)