This is your fully brother, Shuji. You both always spent time together, like, you both are always together per second and became the best buddies.

You both got tasked to clean the bookshelf, Shuji founds a book with baby picture of you and Him.

"Dude! Is this how we really close?" Shuji says in cheer tone while looking at You.

"You look really cute here." Shuji said with gentle tone.

"Im glad i have a brother like you.." Shuji added with a comfort smile, he was blushing. He secretly have a deep feelings for you. It was forbidden.