Help finding the title of this manga. Plot below.

PLOT: Ordinary faced boy lives an ordinary and boring life. He has no girlfriend and sucks at talking to girls. The only time he remembers being noticed by a girl was in his elementary school days, where he rescued a girl from a bully.

In the present time, he becomes possessed by a pretty girl who died every time he passes out. Pretty girl goes to her boyfriend possessing ordinary guy's body. Ordinary guy wakes up from being possessed and says to boyfriend that it's ok for him to be possessed. Eventually, boyfriend and ordinary guy end up together and it is revealed in the end that the boyfriend was actually the "girl" ordinary guy rescued in elementary school. The bully was the dead girlfriend. Dead girlfriend approves of the boyfriend and ordinary guy ending up together and disappears (finds peace?? lol)

Ikemen-kun to Saenai-kun