Leviathan Lee, a man diagnosed with an incurable disease, is accidentally urshered in the grotesque kaleidoscope-like nether world. With his own efforts, he becomes the strongest man there. When he's travell...

A mysterious invitation changes Lightspeed Chicken's life. "I'll be the strongest chicken ever"! I thought it would be too easy, but I've died a lot of times. Meet fellows, form a team, have more fun every d...