[MEYD518]  兄の前では冷たいお義姉さんと実はセフレのツンデレ同居生活 希島あいり

Well for those who don't know what a tsundere is...

Tsundere is a Japanese term for a character development process that depicts a person who is initially cold before gradually showing a warmer, friendlier side over time. The word is derived from the terms tsun tsun and dere dere.

That's lifted straight from Wikipedia. Basically, Airi Kijima acts like a complete cunt to her brother in law when she's in front of her husband. However, it turns out, she just wants that dick so she cheats on her husband with his brother. It's side dick for her. Sex acts include doggy, missionary, cowgirl, creampie and blowjob. Download or Watch!