Raised by her late mother's love for jellyfish, Tsukimi Kurashita finds solace in their graceful nature, likening them to royal gowns. Sharing a home with fellow unemployed otaku women, the 19-year-old yearns to pursue artistry in seclusion. However, her mundane existence takes an unexpected turn when a stunning woman aids her in rescuing a jellyfish from a local pet shop. This enigmatic figure, contrasting Tsukimi and her housemates in style and confidence, becomes a frequent guest at their residence. Initially perceived as superficial, the visitor conceals a surprising truth—beneath the chic facade lies Kuranosuke Koibuchi, a wealthy male student challenging societal norms with his unconventional identity.