Artist, mangaka.
Japanese name: 一概 (reading is given as Ichigai)Name used as a signature: ICHIGAINOld name: やまだ一概 (Yamada Ichigai)Circle & site name: イヤリング爆弾工場 (イヤリングボムファクトリー, EARRINGS BOM FACTORY)
View wiki page