Shoutai Fumei to Kyoufu

Summary:

Kaname Isurugi, who suffered facial injuries in an accident, has a hard time getting along with the people at his school ever since he entered. When school counselor Sugata asks Kaname to help solve the problems of the girls in his charge, Kaname half-heartedly makes contact with four of them. After a month passes without any response, Kaname begins to question his actions. Suddenly, Kaname has a shocking “fateful encounter”.This is a coming-of-age mystery love comedy by a splendid tag team!

Alternative:

正体不明と恐怖