Angel Cake's feed

The setting is in a obscured jungle village (???), the seme is a researcher (like a botanist ai think?) from another place. Uke is kind of like a priestess of that village (???), he's secluded from the others and he's taking care of some sort of plant.

Gomenasorry for the horrible description, but I can't remember the details for the life of me（/TДT)/