Birthday November 29
Gender Female
Blood Type B
Height 152 cm.
Weight 58 kg.
Hair Brown
School Kaimei High School, Class 2-?
Affiliation Yabasawa Books
Manga Debut Chapter 1
Anime Debut Episode 1
The Campus SKET
Seiyū Hiro Nakajima

Yumi (ユミ) is an overweight student who is questioned about the "Paint-Man" incident together with Masatoshi. She dates him until the Sket Dan mention that he targets unintelligent, easy-to-charm girls - after which she dumps him. She later becomes the bass player for Yabasawa's Kaimei Rock Festival band, but falls sick along with the rest of the band members.

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