Rio-chan doesn't show any mercy to the girls either! She ties up Hinata-chan and uses electric massage and tickles her groin, making her cum a total of 7-8 times! [DA071]

Rio: "I'll give you a massage"
Hinata: "Oh, thanks."
Hinata doesn't realize that the massage won't end there...
He calls it a massage, brings out the familiar stick and restrains Hinata's arms. Then he starts the electric massage.
Hinata-chan receives an electric massage from Rio-chan while unable to resist due to her arms being tied up. There is no way she can withstand it! Her voice soon changes to one that feels good. Rio-chan notices the change in her voice and says, "I think I'll make her cum once more," and starts to make Hinata-chan cum with a serious standing high-speed electric massage. Hinata-chan can't withstand it and is easily made to cum by Rio-chan.
After she came, Hinata became sensitive and ticklish. Rio saw her ticklish and continued to give her electric massage.
Perhaps Hinata had reached her limit, as Rio stopped the electric massage and lightly tickled her groin and inner thighs.
Seeing Hinata letting out a cry of "Ah...Ah...", Rio begins her merciless electric massage again!
Rio plays with Hinata's body by alternating between groin stimulation and electric massage.
"Okay," she said in a small voice, and the high-speed electric massager entered into the second orgasm mode! Hinata was made to orgasm quickly, and after that, she started to struggle as if she was very ticklish. This stimulated Rio's sadistic side, and he continued to torture her, saying, "You're getting more and more sensitive, aren't you? lol," and entered into the electric massager mode again.
When Hinata nears her limit, Rio changes to groin stimulation, making Hinata's body sensitive, and makes her cum a total of 7 to 8 times.