BNA: Brand New Animal - 1x04 - Dolphin Daydream- Followmy.tv

Michiru meets Nina, the dolphin beastkin daughter of a gang boss, who has posting to social media in human form. Managing to regain the ability to turn into human form, Michiru joins Nina as she attends a human party, which initially seems to accept Nina even after she accidentally reveals herself as a beastkin. During the party however, one of the girls puts Nina into a fishtank without realizing she can't actually breathe, forcing Michiru to use her transformation powers to save her. Despite the incident, Nina feels happy about the small bit of shining she got to experience.