自宅で偶然発見した遠隔マッサージ器の活用方法を思いついてまひろちゃんにプレゼントするなゆたんと様子のおかしいおにーさん。強弱の調整もできるのでなゆたんが気が付かない場合はどんどん振動を強くするよ。

Nayu-tan, who happened upon a remote massage device in her house and thought up a practical use for it and gave it to Mahrio, and Onii-san who thinks the entire situation is strange. The strength can also be modified, so if Nayu-tan doesn't notice it, the vibration can be gradually increased.