Black Contract

The global epidemic has take lives of almost all people on earth. Only a few were able to develop immunity to virus. When the epidemic has passed, became clear, that women are much more immune, than men. Besides, immunity from the virus...

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...

You contract with the succubus Lilith. From this point on, you have demonic powers that need to be developed. By dating the girls and giving them gifts, you will become stronger....

Reiko is a married woman who works at a plant factory in the undercity, but she has a secret that she keeps even from her husband. Unable to refuse to repay a debt, she fights in an arena in the over city....

You and your sister have been kidnapped by Mary, a strange, pretty girl with sadistic tendencies. She grew up in a family where kidnapping is common, but this is the first time she's kidnapped and she's learning a lot about herself. Mary wants you...