You Don't Even Know My Feelings

Chapter 1-3: Ore no Ki mo shiranaide
Ninomiya Kou starts as a part-timer in a Dining Café to find the place overrun by gay clients. The next shock is finding his co-worker Shudou Naoki playing around with the guys during his break. And the last shock is that he finds himself falling for same gay player.

Chapter 4: Wagamama na kuchibiru ni kisu wo suru
Story of two other co-workers in the same place.

Chapter 5: Kare no Ki mo shiraide
Extra to chapter 1-3.

Chapter 6: Kiss wo sasete yo
High School Love Story (not related to the other stories)

Source: Geisha_X