Manga by author 해달 - Status ongoing

Potts, a member of the "Memories Company", which makes its decisions based on human emotions, receives a mission to collec the emotional crystals from Tessa - a person without emotions who is subject to special management. Potts tries to find him, but his identity gets discovered and he signs a secret contract with Tessa. The terms of Tessa's contract are "I want to love"?!+