1) Love Quest (6 chapters), and

3) Omake

Kazunori Akabane has just been rejected by the girl he likes in favor of some guy named Moriya, whom he doesn't even know. Caught up in his anger, he unknowingly runs into his rival in the school hallway. Suddenly, Akabane and Moriya are sucked into a magical world full of monsters! The princess who brought them there needs two otherworlders to amplify her powers so she can win the battle against the wizard who destroyed her family. Unfortunately, due to a slight misunderstanding, the two she got were Akabane and Moriya, and the power up method happens to be exchanging their bodily fluids!

2) Pheromone

Tateiwa finds out that his classmate, Narushima, puts out some pretty strong pheromones.

[MAL]