Yō Tsugiki is a male virtual YouTuber (VTuber) and member of the collaborative team "Patraisers," uniting "Sugars" and their dedicated supporters, the "Patrons," to melt the ice encasing people’s frozen hearts. Designed by Natsuko, his persona thrives in both the narrative’s central arcs and side stories, which delve into the characters’ everyday challenges and camaraderie. In stage adaptations, actor Kazuma Yasui embodies Yō Tsugiki, channeling his commitment to the Patraisers’ shared goal: harnessing collective abilities and heartfelt connections to spark warmth and joy in their audience.