The Strongest Love Magic

From Liquid Passion:

1. The Strongest Love Magic
   Takamichi is in love with his best friend, Tokiharu. One day, Takamichi gets drunk and rapes Tokiharu, thinking that it's just a dream. But was it really a dream?

2. The Strongest Make Love
   A perverted biology teacher catches Takamichi and Tokiharu having sex in the school and use this to threaten Tokiharu. Will Takamichi be able to save his dearest Tokiharu in time?

3. The Strongest Love Couple
   Tokiharu becomes the home tutor for Takamichi. Guiding him math wearing ONLY an apron, how will Takamichi score?

4. I Will Keep Living For Your Sake!
   Tatemina was involved in a car accident while trying to save a boy. To wake the boy up from his coma, Tatemina has to fulfill his wish, that is, to be together with Hatsune. Will his wish come true?

5. Love Under The Darkness (Koi wa yami no shita de)
   He can never forget Akane, even though he'd been firmly rejected when they graduated high school. No one's heard from him since but then a letter from Akane containing a map comes for Takamoto…