「リアルな勃起チ○ポを描く為に必要なの！」ボクの姉はエロ漫画家。しかし、男の体を知らないようでいつも男の体はアシスタント任せ。しかし、そのアシスタントも処女しかいないので、姉の仕事場のマンションに呼び出されてはボクの体は参考資料に！
"I Need You So That I Can Draw A Real Looking Erection!" My Big Sister Is An Erotic Manga Artist But It Seems She's Not Familiar With The Male Body, So She Always Leaves That Work To her Assistant But That Assistant Is A Virgin Too, So She Called Me Out To Her Studio And F****d Me To Serve As A Reference Model!
