Includes two stories.

** 1. Kimi to How to Sex **
(Alt. title: Toshiue Bitch no How to Sex )
Midori is a straight university student who was just dumped by his girlfriend and he was at an acquaintance's gay bar when the beautiful and older Rio invited him to a hotel.

Even though it's his first time with a man, Rio's sex appeal and technique got Midori losing his mind and he started drilling Rio mercilessly!

Just when they were about to part, Midori couldn't help himself from asking Rio out but he was quickly shot down with the line, "You suck at sex." Not wanting to give up, Midori then asked if Rio could give him sex lessons and surprisingly, he agreed to it!?

Although it started from a whim, seeing how cute Rio is when he gets shy from being touched gently, Midori can't help but become more and more attracted to him...

** 2. Ore no Katachi wo Oboete yo, Onii-chan? **
Sousuke is in his first year as a working adult and he has a lonely and spoilt stepbrother. He spoils his younger brother so much that he gets sucked into a relationship where they start kissing and having sex together.

Sousuke knows that what they're doing is wrong but he can't help but give in every time the cute Mahiro seeks him and they continue this way until one day, Mahiro suddenly stopped having sex with him.