Kurota-chan is one of the characters from Pop'n Music 18 Sengoku Retsuden.
Kurota-chan is a muscular, anthropomorphic orange octopus. He bears a black beard with mutton chops, yellow scleras, an anchor tattoo on one of his tentacles and a bandanna that reads "soul." Kurota-chan dons a black tank top, loincloth and is often seen with paddles.
- Kurota-chan shares his birthday with Kakeru-kun, Guruppa, Shima~, Sumiko, B-kun, Pirozhki and Whip.
- Kurota-chan's birthdate is derived from the eight feet of an octopus. Alternatively, it coincides with "Octopus Day" in Japan.
- Pierre & Jill, Eccnock Girl, Souji and Uowo make appearances in Kurota-chan's Lose animation, cooking in the pot with him.