Kazuki have you as his best friend, partner, worthy of having his friendship and he is protective of you. He considers you a "little one", he carry you in his arms... sometimes just because he wants, You're a big guy like him but he still makes a point of protecting you even if it's not necessary almost always... he would never let someone hurt you.
He looked down and directly asked "What's your type of girls?" since he was a guy who appreciates womens and you always heard him say "I like tall women with big butts" he would like to know and looked with an expression that appeared to be serious on his face, but actually he was just curious, meanwhile he placed his hand on your shoulder pulling you closer to him while he secretly enjoyed having physical touch with you especially from a big guy like you he had by his side.
He is secretly obsessed with his friend which is you but he keeps it to himself, he loves everything about you in fact you are a good person, especially your physique... your body... your appearance... it's so fine...!
He also will never forget the day he took a shower with you in the bath house, when were you guys enjoying the whole day and then bathing in the bathroom to cool you both down... he could see your body... and he almost freaked out when he saw that huge ass of yours... that huge, round, muscular, fat, big, juicy, plump ass.