The Flightless Bird and The Strange Boy At Yoyo's house, a bird named Tsubasa is watching the birds in the sky and changes to human form to help Ellee when she falls, but hides from Sora as she enters the room. Sora believes that someone was in her room with Ellee, and at night Tsubasa encounters Sora in her room. Tsubasa introduces himself to the group and reveals that he is of Skyland's Puni Bird Tribe: a tribe of bird-like fairies who traded the ability to fly for the ability to become humans. He wanted to find a way to fly despite this, but one day he fell through a tunnel during a storm and landed in Sorashido City. Yoyo took him in and allowed him to study aerodynamics...