Ayumi Murakoshi

First encountered on Yoron Shima alongside Mariko, this charming woman quickly captivates Ryuji, even after her true identity as a teacher is revealed. Despite facing interference from Fumiya Shindouji regarding her tragic past, her budding romance with Ryuji flourishes. Ultimately, she chooses to depart by train, believing that staying would stifle his youth. Although Ryuji later finds love with Nagisa, Ayumi’s unforgettable presence continues to haunt his heart and spark jealousy.