Hey, I'm looking for this manga which has college student who's selling himself for money, there's one customer he likes and he looks forward to meeting with. The customer stopped visiting and the college student ended up spending a night with a man with a bondage fetish and the sex was too hardcore so he quit his job. The student really misses his special customer and bumps into him towards the end of the manga. (Not too sure about the ending, could be confusing it with another series)

Sounds like the oneshot "happy man" in Kibishiku Aishite.

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Hrodulf and Bjornolfr, you will not be forgotten.

And if the world were black and white,
you would be my rainbow in shades of grey.

Click 'n Play!

If I had a fantasy self, it'd be a tentacle monster.

Thank you so much!