Soshite Watashi wa Sensei ni… episode 4

Hello sensei, long time no see. Nao, an older sister who enjoyed being a shut-in while doting on her little sister, discovers that her sister’s lewd moans lead her to the doorstep of a man named “Giripapa”. Giripapa was once someone she briefly admired as a mentor, but their mutual infatuation faded away. “I’m disappointed in you. I won’t let you lay a finger on my sister again.” Nao tries her best to protect her sister, but to Giripapa, she’s nothing but an easy target. The fact that Giripapa’s lewd behavior extends not just to the mother-daughter duo, but also to the sisters, is too much for the insolent gyaru to bear. She unleashes her fury once again.