山本君の青春リベンジ～学校でイジメられてた俺が努力して生まれ変わり、戻ってきてからクラスメート達の様子がおかしい件～ (Associated Names)

I, Ruka Yamamoto, suffered from a strange disease that caused me to become ugly and so I was looked down upon and bullied at school, at my part-time job, and even by my unkind relatives. However, when I returned from the USA after undergoing a treatment, I found that I had become a ridiculously handsome…