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SDJS-331 What happens if a person is made to keep releasing fluid endlessly? Three SOD female employees seriously investigate. A total of 82 rounds of spreading, long-distance, and continuous explosive fluid-release experiments. SOD Sex Science Lab Report 21
SOD Sexual Science Lab: SOD’s unique research division, which studies sexuality as a company involved in the field and aims to support the development of the sex industry and expand knowledge about sex, including using that knowledge for product and service development and sharing it with society to help update common ideas about sexuality. This time’s theme is Flow. An experiment exploring intense release beyond the limits by changing positions and stimulation methods. Female SOD employees put themselves on the line to pursue repeated peaks.
AvMates Insight
SDJS-331 is one of 5 videos featuring Kagaya Koishiro (加賀谷恋白).
Her most frequent collaborator is the maker SOD Create, which produced about 100% of her total works.
For a full list of Kagaya Koishiro’s works, see the Kagaya Koishiro JAV playlist .






















Video Information
Release Date:2025-09-16
Product Code:SDJS-331
