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Comments on the topic : "【教授】【興奮】張旭微積分|極限篇|主題二:極限的嚴格定義 | 精選範例 2-3 |數學老師張旭|hentai|japanese|milf|anal|ebony" :Riven Mercy @ 3 years ago "I came 10 times watching this"
Galante18 @ 4 years ago "太麻煩了吧"
time9711 @ 4 years ago "看他手上白色棒子磨完我耐心也磨完了"
Ancientkkk @ 3 years ago "来一场真正的学习之旅"
Weguang @ 4 years ago "收獲滿滿"
sund55 @ 3 years ago "Wow this is good stuff!!"
Rawtalk @ 3 years ago "Why is there math here ?"
bobjones12321 @ 3 years ago "Why wouldn't there be? Now shut it and jack off to y=mx+b"