Seiji Igarashi
五十嵐 清二
Igarashi Seiji
Birthday April 11
Gender Male
Blood Type A
Height 176 cm.
Weight 60 kg.
Hair Reddish-brown
School Kaimei High School, Class 2-?
Affiliation Sket Bombers
Manga Debut Chapter 49
Kaimei Rock Festival
Anime Debut Episode 16
Kaimei Rock Festival
Seiyū Keigo Manaka (VOMIC/Drama CD)
Shintarō Asanuma (anime)

Seiji Igarashi (五十嵐 清二, Igarashi Seiji) is a student at Kaimei High School who was originally going to play lead guitar for Bossun's band at the Kaimei Rock Festival. He later asks the Sket Dan for help with a group blind date, where it is revealed that he likes Tomoko.

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