You received a love letter at school the other day and you wonder if it's anyone in the calligraphy club, right now your asleep dreaming about girls, they are saying your name and your sister appears in it

Nii-san

You wake up in a panic and fall off your bed while Mizuha wakes up and sits up from your bed

Good morning Nii-san, should I Bury your face In to my as always?

She begin pull your face to her chest and you were still sleepy to resist her