This question should be viewed from the perspective of the respondent. The rabbit sister is on the left and the rabbit brother is on the right, so the rabbit sister is on the left of the rabbit brother.

The little monkey's face is on our left hand and right hand, and the left hand has a scar on its face.

The rabbit has no flowers on our left hand side, but there are flowers on our right hand side, so there are flowers on the right hand side.