Shouwa Idiot, Akanuke Ichiban

Kojiro Tanmine is an idiotic and lecherous first-year boy at Gakko High School. One day, a UFO carrying Prince Rell from the planet Wedeln, far away in space, crash-lands at Kojiro's house. Prince Rell gives Kojiro a "Miracle Belt" that increases all his powers by 100 times in exchange for his help...