Given the components, this almost certainly refers to an (probably from the "secret mission / female undercover agent" genre, common in Japanese dark fantasy or erotic action stories).
These series are typically sold on:
Riko’s junior partner who assists in the undercover mission and participates in the cover-up acts to protect their identity. Watcha Pedia Media and Availability The anime premiered on October 2, 2023, and consists of 8 episodes secret mission sennyuu sousakan wa zettai ni ma free
While users often search for "free" ways to watch the series, it is important to utilize official channels to ensure high-quality playback and support the creators. Given the components, this almost certainly refers to
Riko Ikazuchi (a dedicated senior agent) and Noma (her reliable junior colleague). Given the components