Struggling under society's pressures, the fresh graduate, and new hire Yui is utterly exhausted. In the midst of everything, a photo of a doll on an SNS site catches her eye. Drawn in by the doll's cuteness, before she realizes it, it's all she can think about! One day at her regular karaoke place, while Yui gazes at the doll, a gyaru employee, Takanashi Iroha, suddenly starts talking to her?!