My Brother-in-Law Makes Me a Woman

Seina Ayabe, 35, is a housewife with a reasonably happy marriage.
She's a bit worried, though -- she and her husband haven't been intimate for some time now.
But a woman's got needs, so she talked with her mom friends and heard about a special tool
that might help her... but she was too shy to use it.

And that's when her husband's brother Yuushi came to visit.
He's very... "free", and doesn't take anything seriously.
Seina's never been a fan, and that's why he' taken a special interest in her.
But after a certain incident, Yuushi takes things to the extreme...

"Since the moment we first met, I've thought how good it would feel to fuck a girl like you..."

And the brittle relationship between Seina, her husband, and Yuushi starts the crumble...

105 monochrome pages