Kyōya Date commands the idol group X.I.P. as its leader. He received extensive training from an early age in singing, acting, and dancing, yet his entry into the entertainment industry was delayed by a mysterious accident. His personality blends flirtatious charm with mature composure, often punctuating his speech with English phrases and frequently calling the protagonist a "naughty girl." Despite this playful exterior, he demonstrates serious dedication to his leadership responsibilities, prioritizing X.I.P.'s success above all else.

In terms of personal preferences, he favors junk food and B-grade cuisine but dislikes childish sweets. Kyōya stands 183 cm tall, has blood type A, and is a Capricorn. As X.I.P.'s leader, he recruited former magazine model Kento Fuwa into the group. Kyōya consistently maintains a balance between his lighthearted interactions and a steadfast commitment to the group's objectives.