Asuka Matsubara

A childhood companion turned former flame, this character shares a deeply intertwined history with Sugisaki Ken. Having grown up alongside him, her connection to his past is both intimate and complicated by their broken romantic bond. As Ken's ex-girlfriend, she embodies a nostalgic yet bittersweet presence in his life, representing a shared upbringing that predates their current separation and the evolving complexities of their relationship.