Hone no Zui made Aishite ne

Mimi Momoi, who originally was a plain girl, falls in love with a popular boy, Ruito Kurose, and undergoes a major transformation! Becoming a twin-tailed beauty, she approaches Ruito, determined to become his lover by any means necessary?! This is a heavy-handed and forceful love battle story!!

(Source: Shueisha, translated)