Secret Mission - Undercover Agents Never Back Down! Secret Mission: Sennyuu Sousakan wa Zettai ni Makenai! English Subbed

Riko Ikazuchi is an undercover agent who keeps her true identity hidden while infiltrating different crime scenes. She is posing as a newlywed with her junior colleague Noma in an apartment where a criminal organization is based.

(Source: Coolmic)

Note: Episode 1 received an advanced distribution on AnimeFesta on September 8th, 2023. The start date reflects the start of the regular series broadcasting.