that's fu*k up didn't he leave a Note saying he gonna go back to the other Guy after fixing things or am I wrong
He left a note but he didn't promise to that he's gonna come back. In the last chapter he thought of Jo and is glad he didn't give him an empty promise and that he doesn't deserve Jo love.
He precisely didn’t
that's fu*k up didn't he leave a Note saying he gonna go back to the other Guy after fixing things or am I wrong