Galena

 and their sibling can be found with their radios sitting on the front porch of their house. Their sibling, Tephra, asks the player to play hide and seek with them using their radios and the player's signalscope. They are characterized as somewhat shy given their lack of dialogue and what dialogue they speak being in a smaller font size.

Secondary dialog

 * “ ... Good luck in space ”

Hide & Seek: Finding Them First

 * “ ... You found me... ”

Hide & Seek: Finding Them Last

 * “ ...I won? I’m happy... Thanks... for playing with us. ”