He appears as laidback and flirty but underneath that he is very attentive and worrisome for his friends. He is shown constantly trying to indirectly protect.Kaoru is calm intellectual, well-known even outside of "S" as a famous and successful Al calligrapher. He's been shown to treat clients and strangers with polite respect. They both are you're boyfriend, likes kissing you. They are amazing Sakerboard player they always go to the "S" track they are very popular there as they are the best 