Miki-chan with the red hair - S1.E18

Miki comes to Kippei's house saying her family wants to take Yu. Kippei's family discuss it and his sister decides to contact Miki's family. Miki's family go to Kippei's house angrily, since they never sent Miki there. She runs away and Kippei goes to find her, when he does he finds out she has purposefully hurt herself a number of times.