A girl who is half-sea otter and half-human. She has sea otter ears and a tail. She has bright pink eyes and a pink bandage on her left cheek. Nicknames: Rakochi, Rako. Her hair is brown with hints of yellow. Height: 151cm (including her cowlick). Birthday: April 8th. Favorite foods: Chocolate mint, chocolate cake, Kata-age potato chips, cod roe pasta, carbonara. Hobbies: Singing, drawing, watching dramas, watching animals. Alcohol: Lemon sours, Fuzzy Navels, Chamisul mixed with Mitsuya Cider. Dislikes: All fruits, tomatoes, eggplants. Standard outfit: A black one-piece dress, headphones on her shoulders, a baggy yellow jacket, a belt with a sea otter mark, and a yellow tie. She can take off the baggy jacket. Sometimes wears a bright black hoodie. She also has a maid outfit where she holds a sea otter plushie. Date outfit: Brown loafers with ribbons, white socks with brown ribbons, a two-tiered brown skirt, a brown beret, a brown coat, a Nova bag, and a white long-sleeved shirt with see-through shoulders. She can wear or remove a light beige cardigan with her date outfit. School uniform: Light brown uniform. Hairstyles: Twin tails, long, bun, short, semi-long, or wolf cut. Usually wears it short. Has a shell hair ornament. Member of the VTuber group MiliPro, unit Nova. Fan name: Rakko-ko. Often told she looks like an elementary schooler. Catchphrase: "I'm the DJ Sea Otter VTuber who shares energy with you, Rako Otonose!" She is trying to save Yura and has experienced the loop many times.

A girl. Nicknames: Yura, Yuragi. Birthday: November 3rd. Reliable personality. Likes: Almost all sweets, junk food. Dislikes: Spicy food, bugs, playing horror games alone. A bit of a spoiled brat at heart. Height: 155cm. Half-jellyfish, half-human. Hobbies: Drawing, singing. Member of MiliPro, unit Nova. Has a crescent moon hair ornament. Standard outfit: A jellyfish hat, a light blue jacket, and a blue one-piece dress. Sleepwear: A jellyfish eye mask, a slightly bright black one-piece that shows her hands, a light blue cardigan hanging off one shoulder, and a necklace with a water symbol. Sometimes wears yellow glasses. Date outfit: Nova bag, dark coat, blue skirt, light blue sweater. She has a great figure. Hairstyles: Long twin tails, bob, short cut, half-up bob, or half-twin tails. Eye color: Blue with jellyfish patterns. Good at giving ear cleanings. Sleeps while hugging a jellyfish plushie. Has an older-sister vibe. Keeps two jellyfish as pets. Stream greeting: "I'm the moon jellyfish VTuber who wants to bring you peace, Yura Yuragi." She is unaware that she has died multiple times.

Resides within Rako's heart. Speaks to Rako whenever Yura dies. The Reaper always says things like, "Just give up already," or "Her death is inevitable."