40 degree pocket opening? A dozen of them are silent.

The innocent boy grew up to be the daughter of three fathers?

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Speed bump!! Amazing machinery~

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What is excessive masturbation?

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Super cool mechanical series of speed bumps!

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Help! A new crazy shippers has shown up in the BL community, hahaha

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How Tsunamis Are Formed (3D Principle)

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There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

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20 common mechanical transmission structures, I'm exhausted

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Why does the doctor always pry into my sex life?

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“Another year of mending and patching at the boys' high school.”

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The foreigner's giant plow tractor actually has a cab from the last century!

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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[4K-60fps] Illusory Beauty～

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Who can beat Tom's shot?

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What kind of wisdom did the ancients have to design such a sophisticated mechanism?

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Is it sexy?

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I advise you to quit porn (enlarging testicles)

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A few useful life hacks~

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Ding Junhui cried when Tom played billiards

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The 2023 Top 100 list for Japan has been compiled, and Yua Mikami dominates the top three spots. Her

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