Succubus Connect - 1

Yuina, a girl in love with her half -brother, is tormented by self -doubt. Once a mysterious voice takes her into an unknown world. Not understanding what is happening, she is attacked by a man. However, at this desperate moment, she is saved by the ghost of the succubus, which takes possession of her body. Sukkub completely sucks all the energy from men, not caring about what is happening with the body and mind of Yuina.
So the adventures of Yuina, an uncertain girl in an unknown world, "connected " with a perverted succubus.