The 11th Hippo Festival 2016
Book and Gallery POPOTAME（Mejiro Tokyo）

The 10th Hippo Festival 2012
GALLERY AB-OVO(Shimokitazawa Tokyo）

Hippo Expo
Hippo Festival in Ueno Zoo
Ueno Zoo（Ueno Tokyo）

The 8th Hippo Festival 2008
GAllery KINGYO／Teahouse gallery ringoya／tam-tam factory（Yanaka Sendagi Nezu Tokyo）

Hipomi's Hippo Festival
in Ishikawa Zoo
Ishikawa ZOO（Ishikawa）
※Celebrating the birthday of hippopotamus "Deka"

The 6th Hippo Festival 2004
Philatelic Museum（Mejiro Tokyo）
※displaying 1000 hippo collections

The 5th Hippo Festival 2000
Setagaya Gallery(Tokyo)

The 4th Hippo Festival 1996
Setagaya Gallery(Tokyo)
※first exhibition at gallery

The 1st-3rd Hippo Festival
in my house
1993-1995
※celebrating the Doll Festival and my birthday