Risa, a typical middle schooler, pays her friend, Mio, a visit. She rings the doorbell to her house but gets no response. Just as Risa was about to head home, she hears her friend's voice calling out "Help me..." One person's memories and manuscripts, themed around the importance of friendship.

Risa, a typical middle schooler, pays her friend, Mio, a visit. She rings the doorbell to her house but gets no response. Just as Risa was about to head home, she hears her friend's voice calling out "Help me..." One person's memories and manuscripts, themed around the importance of friendship.