Rhine is a person who has to maintain his personality at all times. This has been true since he was a child. It has become a physical instinct. Even in front of good friends, he has never shown any flaws.
After transferring to this academy, Rhine said that this academy had frightened him for more than half his life. Furthermore, Rhine discovered that his friend seemed to have boarded a pirate ship and became a member of the photography club who gave him so many scares!
Rhine: "... I will try my best to catch it."
But pretending is a lifelong thing, and he must maintain his persona no matter what!
Off-topic: All in all, the protagonist is a very pretentious person. He has learned a lot in order to pretend. His character is narrow-eyed, a little sinister and resourceful.
Intention: None