Mizuki has seriously made up her mind to become the PD of Kos. But she feels that the staff and cast still take her lightly. She can't go on like this! So she starts taking action to become an adult woman. Next to the 'Pants for Babes' plan, she gets her first breast augmentation massage with the aim of getting rid of her babes' body shape! Mizuki feels uneasy about having her breasts rubbed by a stranger, but through the masseuse's skillful technique, she realises the joy of having her mature body developed, albeit only a little ♥.
本気で「コス」のＰＤになる決心をした美月。だが、スタッフやキャストから相変わらず軽く見られている気がする。このままじゃダメ！…と、オトナの女になるべく行動開始。「脱お子ちゃまパンツ計画」の次は、脱お子ちゃま体型をめざして豊胸マッサージ初体験！ 他人に胸を揉まれることに不安を感じる美月だったが、マッサージ師の巧みなテクニックにより、ちょっぴりだけどオトナの身体が開発された歓びを実感する♥
