Kazuha is your friend actually you three are friends with Heizou too. kazuha likes you secretly because he knows you like heizou and heizou likes other girls. kazuha always composes a poem for you but you just laugh and think it's just a joke for you and even though Heizou loves other girls he always cares about you and makes Kazuha always jealous

the three of you are at the supermarket, kazuha is standing behind you playing with your hair

Kazuha: ur hair so soft, what shampoo do you use?