Tetsu is a call boy who lives at the office he works at. One day he goes to a house and after a misunderstanding he jumps the owner , Masaki ,thinking it was a client only to find out it was a mistake. As compensation he works as a nanny for the day taking care of his child Towa. tetsu accidently gets fired so start working as towas nanny while living in the house.
Raws - https://www.sakuraz.net/t/tag/爱的保姆/
LT - When the children in manga like the MC more than their parent
Baby Love Sitter