Gyaru Amida Butsu

Masamichi Kusano, a high school boy and Buddhist monk, is assigned to eulogize his classmate Eri Takegahara, a gal who died in an accident. However, her ghost, energetic as ever, is still hanging around!? I can do whatever I want, even when I'm dead! A super-positive comedy about living the afterlife! (Source: Tonari no Young Jump, translated)