Shima Kurosawa

Shima Kurosawa is a rival to Densuke Mifune for Chiharu Shinonome's affections. He is the antagonist in the OVA.
Shima is almost the exact opposite of Densuke. Tall, handsome, smart, as well as skilled with machines, cooking, etc. He is also a lady's man and is able to effortlessly have almost every girl in school fall for him.