Chihiro agrees to a date but with a specific condition: "We can be lovers for one day, and go on a date. Think of it as a trial period."
After the date, Renji confesses his love again on the school rooftop. ef - a tale of memories. (Dub) Episode 11
The abandoned train station where they often meet symbolizes Chihiro being "stuck" at a static point since her accident. Chihiro agrees to a date but with a
Renji finishes the novel and realizes its bleak ending reflects Chihiro's internal state. He rushes to the rooftop only to find that she has already chosen to "break up" with him by deleting her memories of their time together. Thematic Elements ef - a tale of memories. (Dub) Episode 11