Baroque

Kabayama Atsushi, once a child prodigy, is now an ordinary high school student. A man named Trance from another world approaches him and claims he is the only one who can save the world by sleeping with Trance's sister, Tsubasa. At the same time, Atsushi is pursued by a woman with unusual abilities who appears to have a connection to Trance and intends to kill him. Confused and under pressure, Atsushi must navigate this bizarre situation and decide what to do next.