Triple Ecchi Episode 1

An Anthology styled piece.

In the main storyline (episodes 1 and 4), Takashima Shigure is a well respected
and hard working honor student. She excels at both academics and sports but one
day her classmate Kita Komatsu discovers another side to her and how she deals
with the stress of being an honor student. The two of them agree to share the
secret, and Kita now unexpectedly has a wild sex addict for a girlfriend.

There are also two other different stories in episodes 2 and 3.