Two young women and two males were arrested over the death of a university student found in a Hokkaido park collapsed and naked with multiple wounds to his face and body, police said Tuesday.The victim, found by a resident lying on a pathway in the park in Ebetsu in Japan's northernmost prefecture Saturday morning, was identified as 20-year-old Tomoya Hase. A legal autopsy indicated his cause of death as posttraumatic shock.Hokkaido police said they have arrested two female university students from Ebetsu, Ama Yagihara and Haoto Kawamura, both 20, and two males, each aged 17 and 18.Yagihara…READ FULL ARTICLE