Kei Shinomiya

Kei Shinomiya stands out within Group K as a high school student of remarkable intellect, whose calm and calculated thinking effectively makes him the true driving force behind the team. During the game, he engages in a gripping battle of wits with Yuichi Katagiri, showcasing his extraordinary talent for strategic planning. Despite his arrogant demeanor and notable sensitivity regarding his height, his defeat sparks a deep curiosity toward Yuichi, ultimately leading him to join the adult version of the game, where he continues to play a pivotal role as both a key strategist and a sharp observer.