Grim Reaper and Four Girlfriends

Kaoru Minaguchi is a student with no interests or talents. He struggles academically, avoids sports, and has no friends or girlfriend. His life takes a turn when he encounters a grim reaper who targets "no-lifers." She informs Kaoru that he must change his ways and become a "real-lifer" to avoid death. Faced with this ultimatum, Kaoru has to navigate the challenges of self-improvement and social interaction, leading him to form unexpected connections with four girlfriends who each play a role in his transformation.