Futa Step-Sis Mind Controls You

This time, the person who's being manipulated by a mind control app is you! What will your futanari step-sister do with you under her spell?The ongoing adventures of Sachiko, your futanari step-sister, continues! This time, Sachiko was idly browsing through apps on her phone when she saw a mind control app! She immediately thought that with that, she could… do stuff… with you… and then you'd totally forget about it! If she doesn't die from nervousness beforehand, that is…