Saishuu Shiken Kujira Progressive

In the past Mutsumi (Mucchan) and Sae (Sacchan) met. Enjoying the time together, they decided to meet again and chose a place. Mucchan, however, never came to that place. A few years later he passed through that place on his way to school, and met Sacchan, who had been waiting for him for all tho...