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标题："Immediately after hearing that the Experimental Sperm Collection of the Biological Research Department was passed, it" — 以 hd 画质串流，点击播放前无需注册验证。 本页播放品牌为 Euro HD Source。 站点意图：european-localized jav fc2 high-bitrate delivery discovery hub continental serp differentiation。
类型 / 分类：roleplay · 片库编号 #1535 · 预计片长约 179 分钟。播放已针对通勤 LTE 与家庭 Wi‑Fi 优化。
发现用标签：creampie, white tiger, pussy, beautiful girl, schoolgirl, 720p。 在 Euro HD Source 播放器下方关联区继续浏览「roleplay」相关内容。
The female students in the school's biology research club began researching "sperm flagellation activity." They recruited male students on campus to provide the necessary sperm and formed an ejaculation monitoring team. Curious about how to provide the sperm, I went to the club office to inquire... and was immediately hired and had my sample collected on the spot! Initially, it was just about using a vibrator to assist ejaculation, but to collect enough sperm for the experiment, the activities escalated and intensified...
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