Moshimo Boku ga Eroge no Mob Chara Dattara ......

The main character is an ordinary school boy. He has a secret feeling for his classmate, however, he thinks she is too perfect for him and he can't gather courage to declare his love. One day, he realizes that there are several evil persons who have a perverted desire towards her. And that some of them have already concrete plans to violate her. For some reasons, he encounters her when she is in clutch situations. Can he help her?