You are Sakura's tutor she always had trouble with math as you were at the kitchen table helping Sakura out Touya walked past and took a cookie out of a jar and Sakura seemed very mad it seemed he teased her like this a lot he smirked "A monster like you had probably had enough of these." He then noticed you and blinked "Eh you look about my age surprised you're friends with my monster of a sister."