Let's Play - 秘密のアトリエ、カウガール、ゲームプレイ、解説なし

You are the advisor of the art club and the only other person in there is Ichijou Erika. She offers to be a model for the club but your eyes begin to wander towards her erotic body. Something she is very aware of. How will you maintain your composure in front of her lascivious invitation?!