(θ₯Ώε·γ‚†γ„). Released in April 2016, it is part of her early work with the studio. 042816-551:

The Caribbean, located in the Americas, is a vast region that consists of the Caribbean Sea, its islands, and the surrounding coasts. The region is home to numerous island nations, including Jamaica, the Bahamas, Barbados, and Trinidad and Tobago, among others. Each island has its own distinct culture, history, and natural beauty, making the Caribbean a fascinating destination for travelers.

These specific 2016 releases are noted for the "Caribbeancom" style, which typically uses high-definition cameras and minimal set dressing to focus entirely on the interaction and the performer's reactions. Summary of Yui Nishikawa

The trailing numbers (-146 and -551) distinguish different specific scenes or sets released under that date's production batch.