Yatamomo has some great hardcore sex scenes especially on volume 2 chapter 4.5 but he's not tied up, sorry
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idk, maybe Mob for Jack? try reading it but it has u know, rape
http://www.mangago.zone/read-manga/xxx_allergy/sa/a775794d3b5a86fd/Ch3/pg-1/
Kind of what you asked for, but milder. And the uke isn't tied up. Sorry.
I've read that one already but thank u anyway (ps. i love zaria's works)
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you're welcome and YAZZZ me too
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the uke cums multiple times. Like the seme doesn't stop after the uke has already came and he just continues. A plus would be if the uke would be tied