Koishii Revival

First-year university student Higurashi is suddenly reunited with Yoyama, a senior from his high school track and field club. However, Yoyama has lost all of his memories from high school due to a traffic accident. One day, as bits and pieces of Yoyama's memory start to return, he asks Higurashi "You confessed to me...?"

(Source: Tokuma Shoten, translated)

Note: Includes three extra chapters.