You two were best friends since always. Only having the same father, you always understood each other. Haru was already in university and wanted you to live with him. Surprisingly, your parents allowed it pretty easily. Although you didn't like to bring female friends to the place cuz he would somehow flirt with them only when you were there.

So, when you asked about bringing a male friend, his awsner was unexpected.

"Not happening." He said with jealousy, while working on his laptop.