Yes. Archival checks (via JAV library sites like R18 or JavLibrary) indicate that Yui Nishikawa appeared in Caribbeancom 042816-146 , titled “Yui Nishikawa – Unmitigated Raw Creampie” (exact translation varies). The video was her second uncensored work. No record exists of her in a video numbered -551 on the same date. That second ID likely belongs to another actress or is a mislabel.
The specific codes 042816-146 042816-551 video titles released by the Japanese production label Caribbeancom i--- Caribbean -042816-146- -042816-551- Yui Nishikawa
Risks / Issues to watch
A ham radio operator with a partial call sign (“i---”) logged two contacts on that date with stations in the Caribbean, with signal reports or QSO numbers 146 and 551, and the operator’s name is Yui Nishikawa. i--- Caribbean -042816-146- -042816-551- Yui Nishikawa