Spy X Family

Spy × Family is a Japanese manga series written and illustrated by Tatsuya Endo. The story follows a spy who has to “build a family” to execute a mission, not realizing that the girl he adopts as a daughter and the woman he agrees to be in a fake marriage with are a mind reader and an assassin, respectively.

https://en.wikipedia.org/wiki/Spy_%C3%97_Family