It will premier in January 5
The official website for the anime adaptation of Masamune-Kun´s Revenge has uploaded it´s first promo, that while it doesn´t have voice acting it has a lot of animated scenes.
Seven Seas Entertainment is publishing the manga in the west, and it describes the history as follows:
“As an overweight child, Makabe Masamune was mercilessly teased and bullied by one particular girl, Adagaki Aki. Determined to one day exact his revenge upon her, Makabe begins a rigorous regimen of self-improvement and personal transformation.
Years later, Masamune re-emerges as a new man. Handsome, popular, with perfect grades and good at sports, Masamune-kun transfers to Aki’s school, and is unrecognizable to her. Now, Masamune-kun is ready to confront the girl who bullied him so many years ago and humiliate her at last. But will revenge be as sweet as he thought?”
Via: Anime News Network