Mouth Special Training course

I am currently working on this story's opening part, trying to explain well why Rentarou girlfriend is doing this training. It's a parody naughty 100Kano story so dont cancel me :D

I will continue to upload random sex scenes while drawing the story

Hope you like it and if you want suggest any idea for the story feel free to send me a DM

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https://x.com/JuukaDrawing
Thank you!