What is the personality type of Haysaca-kun? Which MBTI personality type best fits? Personality type for Haysaca-kun from Kaguya Sama Wa Kokurasetai Tensai Tachi No Renai Zunousen and what is the personality traits.
Haysaca-kun personality type is ISTJ, meaning he is the king of the castle and doesn't like it when people break in and mess around. This is because he is a really good and neat freak who likes things to be in their proper place. He doesn't like it when people break the rules or ignore his requests. Haysaca-kun is very strict with his rules and won't let anyone who breaks them in his room. The only exception is his younger sister who Haysaca-kun lets do whatever she wants to do. The fact that he lets her do things that he doesn't normally allow bothers Haysaca-kun a lot but he doesn't say anything about it.
Haysaca-kun exists to counter the unpredictable Chika Fujiwara and has the backstory of a homosexual Irish orphan who later graduated at Harvard then ended up as a butler who becomes a crybaby when remembering his past.