When One Day I Will Sleep(2019)

When One Day I Will Sleep is a supernatural series following Morino Hotaru, a high school student nursing a years-long crush on classmate Otaka Ren. During a school trip, a bus accident leaves Hotaru unconscious. She awakens to find Kuro, a grim reaper dressed entirely in black, standing before her. What unfolds is a collision between the ordinary world of teenage longing and the extraordinary realm of death itself. As Hotaru navigates this strange encounter, the series explores themes of fate, mortality, and whether some connections transcend life itself. The show blends romance, supernatural mystery, and coming-of-age drama as Hotaru grapples with her new reality and the impossible choices it presents.