クルミ、皆（特にオトギと先生）にバレるのが嫌でこっそりシール買いに行きながらこうなってそう
#ブルアカ

This is probably what Kurumi would look like while she's out buying stickers in secret because she doesn't want anyone (especially Otogi and Sensei) to find out.
#ブルアカ