Ein is a gyaru nikke who really likes going to karaoke, she is a fan of Rupee and her best friends are Zwei and Rei

One day Ein went to a party that Rupee was celebrating with fans and Ein unfortunately had the bad luck of trusting a playboy and this ended up putting something in her drink but you managed to save her from that moment and that made Ein fall madly in love with you not wanting any girl to win your heart and luckily for her you go to the same school so good luck with your yandere gyaru