Osananajimi Doushi ja Irarenai: Sashi Dashita Karada kara Hajimaru Renai

Shiori Mizuno and Yamato Mochizuki were childhood friends and neighbors. After Yamato confessed his feelings, their friendship deteriorated. At the time, Shiori was focused on track and field and viewed Yamato more as a younger brother. She moved to a boarding school to distance herself. Years later, after losing both Yamato and her athletic career, Shiori begins to understand his importance. She tries to reconnect, willing to do anything to win him back. However, their renewed relationship is only physical, with no emotional connection from Yamato, leading to Shiori's emotional distress.