2000
Group Exhibition, "group exhibition illustration" Atosupesuribina (Tokyo)
2002
Group Exhibition "exhibition Tortoise / animal" Atosupesuribina (Tokyo)
2004
Group Exhibition "CRAWL Exhibition Vol.2 / Flies" Meguro Ward Gallery (Tokyo)
Exhibition "AWAAWA Exhibition" Puromoarutepurojekutogyarari (Tokyo)
Exhibition "PROCESS Exhibition" Art School Asagaya (Tokyo)
2005
Group Exhibition "exhibition Tortoise Vol.3/crew" Gallery LE DECO (Tokyo)
Group Exhibition "ACV exhibitions / water" Atosupesuribina (Tokyo)
Group Exhibition "CRAWL exhibition Vol.3 / onomatopoeia" Gallery LE DECO (Tokyo)
Group Exhibition "ACV Exhibition / mass" Asagaya College of Art (Tokyo)
Group Exhibition "mug * mania Vol.2/The 2nd series" LAPNET CLUB CECO (Tokyo)
Group Exhibition "Cafe Na. / Christmas Exhibition" Cafe Na (Tokyo)
Exhibition "ID Exhibition" Hair Club Paris (Tokyo)
Solo Exhibition "Hirashima flying shine" tomorrow (Tokyo)
2006
Group Exhibition "CRAWL exhibition Vol.4 / summer homework" Meguro Ward Gallery (Tokyo)
Group Exhibition "exhibition Tortoise Vol.3/color" Gallery LE DECO (Tokyo)
Group Exhibition "mug * mania Vol.3/The 3nd series" LAPNET SHIP (Tokyo)
Exhibition "Logical Garden-Ambivalence-Exhibition" Gallery Ku (Tokyo)
2007
Group Exhibition "ACV exhibition Vol.2/SAYING" Atosupesuribina (Tokyo)
2008
Group Exhibition "Takumi Hirashima × Katou Kensuke / still life * / Logical Garden Exhibition" Petazugyarari (Tokyo)
2009
Group Exhibition "ACV exhibition Vol.Vol.3 / painting Nihon" Atosupesuribina (Tokyo)
"Biennale Nakanojō" Nakanojō (Gunma)