Ane to Ore wa Naka ga Ii

Sister is a little awkward and she loves to watch her little brothers troubled face.
Sharing the same room for a long time but, something changed...
Her naught mischief is triggerd.
'' I would be suspected, but it's not that rough for siblings is it?''
Altough immediately said it and the misunderstanding solved.
My sister dispel the suspicion...

How will our relationship continue..?