21화: 루시아는 카이토의 집 열쇠를 발견하고 그가 떠 있는 동안 청소하겠다는 자신의 약속을 떠올린다.

21

Lucia finds the key to Kaito's house and remembers the promise to keep his house clean while he was gone. When she is cleaning the bathroom, Lucia accidentally gets wet and decides to take a bath. Meanwhile, Kaito realizes that someone is in his house... Also, Alala gets introduced in this episode. (Source: Wikipedia)