The description of this from the purchase page was pretty funny, as was the translated title, so I'm just going to go ahead and use both.

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"The woman employee of the karaoke shop which the face is always irritated with you though it is Entertainer barini Kirei, and is nagging to a lower thing. Bad part-time workers retaliate for such her with love potion spray.

Restrict passion her who still pretends to be tough even if let do it so as not to put it up with love potion spray; is Gang Bang in her who shut in it, and be cool in Vibrator shop Egg Vibrator many times when part-time workers enter the room by turns for a break of the work, and still still resists one of the karaoke room after hours much more during business hours. Hit it until I completely fall, and turn it.

Send a photograph when I fell in her who regained sanity, and attack Kyousei Cosplay ecchi, home later in a threat, a love hotel"

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You can buy this work from here: http://www.dmm.co.jp/en/dc/doujin/-/detail/=/cid=d_076936/
The artist's pixiv can be found here: https://www.pixiv.net/member.php?id=1774701