KONOGI Yoshiru Manga

Amaguri Senko is a high school girl with a cool personality; she is also a massive pervert. She openly reads porn and masturbates, and isn't perturbed in the slightest at the sight of penises and such. The story is about two adult men that come to live and work for her father, who runs a company that does various oddjobs, which she helps out with. And the various forms of sexual harassment to which she subjects the one which she has taken a liking to.

Shindou Eruko, a glasses, big breasted beauty, found a job as a handyman for the Amaguri Handyman service after her NEET life comes to an end as her savings ran out. She immediately falls for her co-worker Hoshi-kun on their first day working together, but there a problem: Hoshi-kun is a high school boy, while Eruko is a 27 years old onee-san who has trouble telling reality and delusional. She ends up constantly scheming to get close to Hoshi-kun to turn many of her delusions into reality...

From ray=out Manga Services:About an awkward encounter between a 22-year-old university graduate, a middle school student and a sex sleeve?!

Amaguri Senko is a high school girl with a cool personality (as in, kuudere) and a big pervert. She openly reads porn and masturbates, and isn't perturbed in the slightest at the sight of penises and such. The story is about two adult men that come to live and work for her father, who runs a company that does various oddjobs, which she helps out with. And the various forms of sexual harassment to which she subjects the one which she has taken a liking to.