Kosuke Kamishima

神岛部长 神嶋（かみしま）

Gender:Male

The Beverage Department Manager at Hotel Cardinal and Miwa Kurushima's superior. He believed that for the hotel's bar, bartenders were nothing more than an accessory, and openly stated that he had "no expectations for bartenders." However, he changed his perception after being impressed by the deliciousness of the whiskey and water prepared by Ryuu Sasakura.