Outline of the anime “SPY×FAMILY” episode 11(from the official website: https://spy-family.net/episodes/episode11.php):
In order to attend a social gathering at Eden Academy, a child needs to be a special student, but Anya, who is not good at studying, struggles a lot. Loid decides to have Anya contribute to society as a way to earn “Stella Stars” outside of her studies, but Anya keeps failing at the hospital where she volunteers. Then, Anya uses her psychic powers to detect the voice of a drowning child in a swimming pool…?