1) Uzakoi
Shuuji thinks that girlfriends become troublesome when they start saying 'annoying' things... which is why he always breaks up with them in a few days. The only girl who has been with him for the longest time is Risa... but she is 'just' his 'bed-friend'.

2) Suki desu Oniichan
Aoi loves her childhood friend, Koutarou-oniichan. However, he only sees her as a little sister. Aoi's like a child, both inside and out. When a rival appears, she attempts to surpass her in womanly charms.

3) Double☆Booking
When the twin boys who competed for her when they were little, return in high school, Misato still has trouble choosing between them.

4) Anata no Kioku
Nagisa has lost parts of her memory in an accident, or maybe it was fate that has chosen to make her forget some unpleasant memories. But can she really return back to the time that slipped out of her hands?

5) Sakura no Shita de Kiss wo Shite
Mahiro is afraid that her relationship with sensei will end upon her graduation. So she tries her best to not graduate...

A series of One-shots:

XXX Lesson , Story 1:

Just after being rejected by a Sempai saying I don't date unskillful girls in love. Kanon, a shy and pure girl, runs to the school's lady killer, Hajime Yui , for help. She wants him to become her teacher in love so that she can become a girl that her sempai will notice. What will happen between the teacher and the apprentice?

From Covenant of Darkness & Fate:

Story 1:
Everytime he teases me, my body aches for him.
Why am I reacting to his touch? We realized our feelings when our bodies were one. I came to know what 'climax' is or the first time. When I had figured out that I'm falling for you, you had already joined the Renai Club.

The dangerous two
Overlooked by Nadeshiko-san
Renai (Star) Club
Worrisome Love Feeling