As part of a class assignment, each of the students must take care of each other's Pokémon partner for the weekend. Pikachu gets to stay with Lillie at her mansion and Lillie is determined to try and overcome her fear of getting close to Pokémon, so she uses Satoshi's methods to gain Pikachu's trust. At Suiren's home, Bakugames is having trouble with her twin sisters, while Mao also has problems with Togedemaru while she works at her family restaurant. Māmane's experiments with Amamaiko don't work out well, but he finds that Amamaiko can be a great night-time comfort. At his family's dairy farm, Kaki assigns Ashimari to work with his younger sister Hoshi, but finds the water Pokémon to be a great problem-solver with the farm's Kentauros. Shiron keeps giving Satoshi the cold shoulder but finally warms up to him when Satoshi includes Shiron in his Pokémon's training sessions.