My Sister’s a Sadist Starting Today ~ Brother, I’m Making You My Pet ~

Synopsis

◇Story

The younger sister’s name is ‘Aina’, and the older brother’s name is ‘Haruki’.

Closer than your typical siblings, these two are in a relationship where they engage in everyday fellatio as a matter of course.

But ‘Haruki’ was not completely satisfied.

He was a masochist who gets incredibly aroused when women scold or verbally abuse him.

One day, he was secretly watching adult videos that perfectly matched his interests alone.

‘I want to cum while being abused by Aina like this…’

While masturbating to that thought, before he knew it, ‘Aina’ was right beside him…

◇Heroine

Name: Hamaya Aina (浜谷 あい奈)

Voice Actress: Shinomiya Hina (四ノ宮 ひな)

Measurements: B90 (F) / W60 / H85

Background: Loves her older brother ‘Haruki’ dearly. Their relationship has progressed to the point where she regularly performs fellatio. She has no experience with intercourse yet. She wants to give her first time to ‘Haruki’.

◇Protagonist

Name: Hamaya Haruki (浜谷 春樹)

Background: A somewhat indecisive person who gives in easily when pushed. He’s a pure masochist, but hides this from ‘Aina’.