Also known as: クレイヴ・サーガ, クレサガ, 神绊的导师, 神絆的導師
Developed by DMM GAMES Crave Saga is a mobile gacha game LGBT. The story takes place in a different world: "Vestria" where only men exist. The main character of the story was an "otaku office worker", but by chance he was reincarnated in a different world, surrounded by swords, wolves and spirits.
An R18 PV version is available on the R18 site only.