Kayaya and Nuah have the same innocent/childlike personality. Their curiosity with regards to anything that has to do with humans is also alike. So aside from the fact that Roymzu raised Nuah, he also reminds him of Kayaya. That must be another fact to point out why he was feeling overprotective.
Kayaya and Nuah have the same innocent/childlike personality. Their curiosity with regards to anything that has to do with humans is also alike. So aside from the fact that Roymzu raised Nuah, he also reminds him of Kayaya. That must be another fact to point out why he was feeling overprotective.