Yuichi searches for Makoto at night, and finds her in the shopping district. Shadowing her, he follows her to the hill overlooking the city and discovers that she found a stray cat. He takes both of them home, and the cat is named Piroshiki. Yuichi and Sayuri convince Mai to take part in the upcoming ball. Piro and Akiko fall ill, and Makoto and Ayu take care of them.