Banchou Tensei Reijou wa Koi ni Utsutsu wo Nukasanee!!

When the gang leader is reincarnated in another world, he somehow becomes a young lady!? What's more, his fiance is his reincarnated rival gang leader, so this is sure to result in the engagement being called off... right? A romantic comedy about the pompadour gang leader's struggle to avoid falling in love with a rival gang leader!!

(Source: Nemuki, translated)