Sina, alongside Dexio, are first met by the player in Route 4 and they talk about Flabébé and the Fairy type. Sina talks about testing Fairy-type Pokémon against other types of Pokémon at Professor Sycamore's request and promptly introduces herself. Sina later guides the player across Lumiose City to Professor Sycamore's lab. Further on, she and Dexio give the player the Coastal Kalos Pokédex at Route 8 and the Mountain Kalos Pokédex at Route 13.