Gaki ni Modotte Yarinaoshi!!!

Synopsis

Since childhood, Boku has suffered relentless bullying from women, leaving him with emotional scars that hold him back in life. At the wedding of Kasumi, his childhood crush, Boku watches others enjoying happy adult lives, deepening his longing to start over. His wish comes true, and he is sent back to his preteen years. Reuniting with Sera Narumiya, his former tormentor and neighbor, Boku resolves to face his past problems with a mature mindset. This fresh perspective also leads him to take a more adult approach in dealing with the difficult women around him.