I Can't Handle My Former Bookworm Little Sister Now That She's a Slut! 3

What will become of these lovers now that they're official?
Things are going well in their relationship, and in bed,
but Natsuki is so hot, Shota worries that another man might swoop in and steal her away from him.

This is the fourth release in the "I Can't Handle My Former Bookworm Little Sister Now That She's a Slut!" (RJ332193) series.
Check out the past works and side stories if you're interested!

53 main manga pages + 1 bonus page, plus black-hair heroine variations.
* Unlike the sample images, the actual pages use black bar censoring.

Author: Yu Ichinomiya （Twitter: @yu_ichinomiya）

[Synopsis]

The little sister went from being a shy introvert to a confident girl who's now playing the field.
While she napped, Shota hugged her uncontrollably. Natsuki kept provoking him, which led to the two having sex.
Despite Natsuki's continued attempts to seduce him, Shota held back after realizing his mistake.
However, when the parents were away one day, he finally confessed his love to her.
The couple made love repeatedly, making up for lost time.
Eventually, they decided to officially become a couple and Natsuki gave up social media and dating apps.

Natsuki is going to the beach with some classmates on the weekend.
When we go to buy her a swimsuit, she tempts me in the change room.

A little foreplay isn't enough for us,
So we head to a love hotel...
Her body and reactions are just too sexy...!

Out of worry about her trip to the beach, I end up being her chauffeur.
I'm relieved to see Natsuki has finally made friends.
And I'm further overcome with attraction to her.

In order to keep her from slipping away, I must give my love to her...hard!