Manga by author Sawaragi Shinichi - Status ongoing

A middle-aged detective, Eiji Kirisame (40), meets a strange high school girl at the scene of a certain crime. She doesn't speak a word, but she helps solve the case using her drawings. However, suddenly this middle-aged detective is getting a marriage proposal from this girl!Read Pen to Wappa to Jijitsu-kon on mangabuddy+