Back Again -v0.7- By Bigboy Projects [new] -

The term "Big Boy" is often associated with the following, which may help narrow down your search:

The protagonist is likely an older man (20s–30s) who has “lived through” a disastrous timeline. For reasons unexplained by v0.7 (maybe supernatural, maybe a dying wish), he wakes up in his younger body/slightly earlier point in time. His goal: for himself and key female characters (LIs – Love Interests). Back Again -v0.7- By BigBoy Projects