You do themes! And they can either send in pictures or videos of them or their Pokémon doing cute things. Like...
[She looks down at Nanako.]
Do something cute!
[Nanako nods and thinks. After a moment, she uses their psychic power to lift some of the cookies up and makes a heart in the air with them.]
See? That's cute! You can even make rules that if the trainer is in the picture or video, they have to wear a dress, no matter what gender they identify as.
[action]
[She looks down at Nanako.]
Do something cute!
[Nanako nods and thinks. After a moment, she uses their psychic power to lift some of the cookies up and makes a heart in the air with them.]
See? That's cute! You can even make rules that if the trainer is in the picture or video, they have to wear a dress, no matter what gender they identify as.