In Your Room is hentai adaptation based on anime and mobile game called Fate/Grand order. Our heroine is Mash Kyrielight. She is a demi-servant in the mentioned game. Not only she’s a great servant. She also pure, and innocent-looking because of her lack of knowledge about worldly experience. , Mash is a cute shorthaired girl with lilac hair and lavender eyes. She usually wears rectangular frame glasses in her daily casual outfit. But something piqued her curiousty, she wanted to widen her knowledge especially about sex. One day her senpai came back from their adventure, Mash takes this opportunity to learn about sex while rewarding her senpai at the same time.