I Time-Looped Back to My Youth, and for Some Reason, My Ex-Girlfriend from My Past Life Is Overwhelmingly Obsessed with Me

Breaking up because you thought you were going to die, only to miraculously recover—only to find out your boyfriend had died instead… Yeah, that would mess you up. Sakuma Aruto, a salaryman in his thirties, had a rough life. Despite getting into a fairly decent university, he failed his job hunt and could only land a position at a soul-crushing black company. To make matters worse, after dating his girlfriend for over five years, she abruptly broke up with him without even giving him a reason, leaving his future looking completely hopeless. Then, one day, the extreme exhaustion and sleep deprivation from overwork finally caught up to him, and Aruto died from karoshi—death by overwork. Howe...