Satoshi Shimonuki

A guy from the boy's dormitory who falls in love with Eimi in volume 3, and later becomes her boyfriend in volume 4. He is often very jealous of Wanibuchi because Eimi is very affectionate of Wanibuichi. Nicknamed "Simone" by Eimi. He is quite serious with everything he does rather with his studies or Eimi. Source: Wikipedia