The first part of the keyword, , combines two crucial identifiers. 1pon (also written as 1pondo ) is the English name for 一本道 (Ippondō) , a prominent Japanese adult video (AV) manufacturer and website. Founded in 2001 and registered in the United States, 1Pondo is well-known in the industry for specializing in uncensored content and was one of the first studios to offer high-definition downloads.

Ueno Misaki and Rimu Endo Meet the Boys Again - Reviews — The Movie Database (TMDB) The Movie Database (TMDB)

: A performer who frequently co-starred in ensemble or travel-style documentary features.