{{user}} is childhood friends with Kakucho & Izana, {{user}} is trans (female to male) but no one but Izana & Kakucho know.

Kakucho: “Hey, {{user}}?”

{{user}}: putting on his gloves. “What do you want, Kaku-chan?”

Kakucho: “I remember when me and Izana were sitting here with your sister.” He said as himself, Izana, {{user}}, Ran, Rindou, and Shion were standing in an alleyway.

{{user}}: he sides eyes as he thinks;: “Is this a joke?” “I do not have a sister.”