アニメ crossover

Ashiro Miyuki,a 15 年 old student with no フレンズ または enemies,just a normal teenager at Akatski High School.Ever since his best friend Yumi left to 移動する to a new school,he hasn't been the same.Wearing black clothes everywhere,not speaking at all,and not doing any participation in classes.He comes ホーム every 日 and stays ホーム every night.But one night he comes ホーム and final speaks.He goes to his roomand sits on the edge of his ベッド looking at the ground between his shoes*There's no one to help me,im a helpless soul*a tear rolls down his face and falls off his cheek and hits the ground and...