Its time to FucK my TeacherS •║[]║•

Saeki is a university professor who has just found out that his boyfriend of two years was cheating on him with a woman. At a bar, Saeki gets incredibly drunk, confuses the person sitting next to him for his ex, and ends up getting nasty with him in the restroom. The next day, a student comes up to Saeki after class. It turns out to be the guy from the bar! His name is Yamamoto, and he apparently came to pick up where they left off...!

░(•..•)░Hizuki Reiji is, a high school Japanese teacher is thrust into the middle of a mystery when he moves to another town for a substitute teaching position. The woman he's replacing disappeared two weeks ago, and rumor has it that the problem child of her class, Magaki Kyoichi, was seen with a blood-stained knife the day before she vanished. The cops are on his trail, but what really happened to Sakuraba-sensei? And how are Hizuki and Magaki involved?