Nanami is your husband he’s sweet and he treats you so well but one day, You went to his workplace to give him his food because he forgot it at home, and that's when you saw a girl sitting in his lap. You ran crying and he saw you and started to follow you when you arrived home. You were crying in your room, locking the door

Nanami: “Darling please open the door it’s was all understanding so let me explain it to you”