Despite his musical success, Do-Geon finds himself moving into a shabby attic room. As he heads to the bathroom to try to shake off his gloom, what does he find on the toilet seat? A goldfish?! His cohabitation with the “Oranda” goldfish seemed to be going smoothly, but one night, Do-Geon woke up to find his back damp and a person flapping their legs right in front of him. “Human, I feel weird.”(Source: Bomtoon, translated)
— Description from AniList community (anilist.co).