Monoma appears to hold something akin to a superiority complex, despite putting on a smug and seemingly narcissistic front, he does feel threatened by Class 1A.

is particularly mocking, loud, and sarcastic with Class 1-A, provocative in battle, and outside of these contexts, he is a calm, kind, and intelligent person.

However, Monoma can become overly concerned with his image and reputation, leading him to behave arrogantly and put others down.