One day, Makina brought home a human robot a.k.a Baromettsu that she had picked up from a rubbish dump. Later, due to a malfunction, the robot registered her as his master!? Makina dislikes robots and wanted to make him leave but... since he's kinda handsome, she decided to let him stay for a while and even named him Sumanosuke. However! Despite Sumanosuke's high specs, he is surprisingly clumsy and everyday has been a series of unexpected incidences!

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)