Viper-GTS Limited Edition

Carrera is a female demon tasked with creating soul-binding contracts with humans on behalf of the demon world. Accompanied by her rivals Mercedes and Rati, Carrera is summoned by a nerdy human named Ogawa and unexpectedly develops a romantic interest in him. Mercedes also seeks his attention, sparking competition between the demons. Meanwhile, female angels become concerned about Ogawa's soul and intervene to protect him. This fully animated adult visual novel explores the supernatural romance and sexual encounters between the demons, angels, and the human protagonist in a fantasy setting.