|Matsuno Ichimatsu松野 一松|
|Hair||, Black, Bowl Cut|
|Eyes||, Black, Sanpaku Eyes|
|Personality||, Cynic, Nature Lover, Ore, Stoic|
|Role||, Middle Brother, Twin Brother|
|Visual novels||Main character - Osomatsu-san The Game: Hachamecha Shuushoku Advice -Dead or Work-|
|Voiced by||Fukuyama Jun|
The fourth brother. He is cynical and generally disinterested in things, but has a soft spot for cats. His distinguishing features are his tired eyes and scruffy hair, and he often dressed in purple.