"Incubus" is a game that starts when the pure-hearted male protagonist meets an incubus at the age of 30.The incubus introduces the player to a world they have not experienced before, and in return, the player engages in a demonic contract to provide what the incubus requires.Help the player grow into a true man during the 30-day contract period.Features:◆ Over 50 CGs and more than 20 diverse sex scenes for each heroine◆ Lively sex scenes with spinal animations◆ Voice acting for each character by Japanese voice actors◆ SD characters and more than 6 different sex positions◆ Multiple endings◆ Over 50 different items◆ Vivid sexting through mobile messengerAll characters in "Incubus" are over 20 years old.