Events Demons Rise Up! take place in the apartment of a girl named Susan. She is a fan of a variety of computer games. Quite recently, a young lady acquired a cassette with an extraordinary game. When she started playing it, she opened a portal from another dimension. A succubus appears in front of the character. This is a demon who appears in the form of a red-skinned blonde. As it turns out, her name is Lina. These creatures are distinguished by the fact that ordinary people immediately fall in love with them. This misfortune did not spare the main character either.

In Demons Rise Up! the young lady and the otherworldly creature spent the night in bed. Both received a lot of unforgettable sensations and amazing memories. Soon the succubus appears again. This time he didn't come alone. The demon's girlfriends also showed their desire to have fun. Now you have to face Noriko, who has a tail and green skin, and Choriko, who is completely blue. In addition, there is Kayla, who appears as a young schoolgirl. They have to distract the girl from her gaming activity. The action is performed in the form of an illustrated and interactive novel. The user will have to participate directly. First of all, certain actions should be taken. In addition, you need to participate in dialogues, choosing the appropriate phrase. The development of the storyline and the ending of the story depend on this. As a result, you should choose with whom the relationship will develop. The game contains scenes of erotic content.