Yamamoto Kun No Seishun Revenge! 1 (Young Jump Comics)

[Machine Translation] I'm a fat, ugly guy, but thanks to a genius heroine! Because of his appearance, Ryuga Yamamoto is called "Pig Man" and made fun of. The reason why he weighs over 130 kilograms is because of a strange disease called "DeBS" (Dehydrogenated Body Sucking Syndrome). Her classmates avoid her as gross, and the boxing club uses her as a sandbag. Even so, he was able to live each day with his positive attitude and was surrounded by a small number of people who understood what he was going through. Then one day, after helping a classmate, he was offered a chance to receive medical treatment in the U.S....? This is where the romantic comedy of adolescence began for the unattractive me...!

醜いデブの俺が天才ヒロインのおかげで!?その容姿から「豚男」と呼ばれ、バカにされている山本流伽。体重130キロ超えの理由は「吸水性肥満化症候群」、通称「DeBS」という奇病のせいだった。クラスメイトにはキモいと避けられ、ボクシング部からはサンドバッグ代わりにされるなど、散々な扱いを受ける日々。それでも持ち前のポジティブさでたくましく毎日を過ごし、少数ながら内面を見てくれる理解者に囲まれていた。そんなある日、同級生を助けたことがきっかけで、アメリカで治療を受けられることになり…!?ここからモテない俺の大逆転青春ラブコメが始まった──!!