Genre: Puzzle, 3D, Animation, Succubus, Romance, Straight, Blowjob, Anal, Glasses, Bikini Succubus Contract it's a puzzle dating sim game involving several other mechanics. For some reason, you contract with the succubus Lilith. You get strength and abilities that make you more attractive to girls. Going out for dates and giving gifts to girls, you will improve your s*s.