Air

Yukito ends up spending the day with Minagi and Michiru while Misuzu is at school. Yukito walks Minagi home after being invited to go stargazing on the school's rooftop when he first learns of her mother's mental illness. Later, Misuzu attempts to play cards with Yukito, but is overcome with extreme pain. When Yukito learns of Misuzu's condition he decides to move out of the house.