Coin Locker no Neji.

Synopsis

Hiroshi Yasaka's daily routine is to deliver things for the company he works for. One day, he encountered a child pickpocket at a station. The child saw the scars on Hiroshi's wrist and asked if it hurt at the time. That day was the first time Hiroshi was absent for work. The boy wrote his name on a crumpled piece of paper and gave it to Hiroshi as a present. The words written on the paper was "Neji" (Screw). The intriguing communal life of the two begins there...

Anime adaptations