Kazama Shunnosuke

The protagonist this time around, his parents are famous martial artists, who have won tournaments all over the fighting world.
One day, to replace a doctor who was killed by a rival school's assassin, he is entrusted as the substitute doctor of St. VERSUS Academy.
However, seeing the beautiful bodies of his childhood friends, a side of him wakes up, and starts his conquest of voyeurism, and his childhood friend fighting force.