Happy Parasite

Summary

An encounter that leads to a pushy parasite?! "Thanks for your help!" "Please leave." The cool, low energy businessman and the super-positive NEET, the worst possible match(?), start living together! "I'll repay you with my body!" One night, Kazuhisa, a company employee who doesn't like getting involved with others, meets Haru, a backpacker lying down on the street. Surprised and annoyed by his decision, Kazuhisa decided to let Haru, who had trouble sleeping, stay with him. Kazuhisa is swayed by