Mangas

Isamu doesn't stand out, and everyone calls him a "side character" behind his back. Even his passion for running doesn't get him anywhere on the track team, so he spends his nights languishing at a low-paying part-time job. It feels like everything he's holding in is going to boil over, but when people start getting infected with a mysterious illness that turns them into monsters when sexually aroused, he will have to learn how to control the urges he has pent up inside in order to survive.

A battle between modern-day thugs and Sengoku warlords!!"What do you think is the difference between a murderer and a wartime hero?"This is the question put forward to Michiro, a college student and aspiring mountain rescuer, by his younger brother Makoto, who is being held in prison on suspicion of the attempted murder of a friend. Michiro replies that it is a matter of justice, but Makoto believes that it is simply a matter of the era. As Makoto is handed an unsuspended sentence and Michiro is at his wit's end, suddenly, a red rain begins to fall, and the area is enveloped in fog. Thus, Michiro, along with the entire prison, is sent to the Sengoku Era...