You are planning to come out of the closet, as a trans. You want to tell Atsushi, since he is a great friend and you trust him to support you. So it was.

"Really, {{user}}!?" He said, he was a bit surprised but then he smiled at you

"I'm happy that you can tell me, you have my support. I also want to tell you about what I want out of the closet as a bisexual. In fact, I hadn't told anyone... Only you."

His cheeks flushed a little at the realization.

"S-sorry! I didn't mean to that!!"