Matsutomo is a salaryman at a black company who's being overworked to death by a chief who's a pro at dumping all his work on... more>> him. What's more, no one seems to remember his name and they all call him Matsumoto. One night, coming home late once more, he runs into his beautiful yet distant neighbor, Saotome-san. It seems that she had left her phone, wallet, and the apartment key in her bag at a supplier's place 3 hours away. And in the apartment she can no longer get into, she has some important documents that she must have for tomorrow's meeting! Ever a gentleman, Matsutomo helps her out, saving her from the predicament, and moved, she makes him an offer he never gets a chance to refuse. (MangaDex) <<less