Pretty in Pink
Haku was sorely tempted to encourage her to stick around, offer him some alternative company to the three castform.
Legend High-Chapter 1
The camera turned to derek, who was ironically a castform pokemorph. 'and it looks like-' derek never got to finish his report on the weather because tanner decided to turn it off hearing his 'mother's' one-nighter' leave 'her' room. "oh whee, baby!
Clara's Story
John's super excited; he's really interested in that prize castform they're giving away this year!" despite her obvious excitement, sara's smile suddenly wavered in uncertainty as perry's expression finally sunk in. "is... is everything okay?"
Can't Escape, Part VI: Highly Curious
Amongst the other trainers in coumarin gym, a nearby castform quickly took the opportunity to undergo metamorphosis.
Team Valiant Mysteries of the East Chapter 1: The Royal Knights
An awning was stretched above the altar to protect it from unexpected weather - though, the local castform monitoring the weather claimed the skies would remain clear. the day had finally come...
Battle for Hadleigh Chapter 7: Rekindled
Luke had heard of some pokemon capable of changing forms based on conditions - castform, the weather spirit, was one such, or even espeon and umbreon, who seemed the most similar to these lycanroc, evolving based on the day-to-night cycle.