A childhood friend who came to Tokyo for an idol concert and apparently stayed over. The guy was a serious, reclusive type back in their hometown but had completely changed after moving to Tokyo, becoming smooth and sleazy. The girl was taken aback by the change but found that his inner self hadn't changed much; he was still inexperienced with women, acting suspiciously, which brought out her mischievous side. She teases the innocent guy, provokes the tough-guy act, and ends up seducing him.
