(Voiced by Sahomi Koyama): The experienced but flustered lead agent who prioritizes justice above all else. Keiji Noma
Detail the differences between the
) is an adult-oriented series that follows undercover narcotics agents Riko Ikazuchi and her junior partner secret mission sennyuu sousakan wa zettai ni ma
In the end, the "secret mission" of Riko and Noma is a fascinating tightrope walk between professional duty and personal transgression. It's a story that asks uncomfortable questions while providing the kind of thrilling, high-tension entertainment that has made the adult anime genre so enduringly popular.
The psychological cost is explored in later arcs. Never losing means never fully being yourself. The mask becomes the face. (Voiced by Sahomi Koyama): The experienced but flustered
: An uncensored, explicit version available via the AnimeFesta streaming service
It was released as an ONA (Original Net Animation) in late 2023, consisting of 8 short episodes , each approximately 6–7 minutes long. The psychological cost is explored in later arcs
Let's break down the full title. The Japanese phrase, "Sennyuu Sousakan wa Zettai ni Makenai!" (潜入捜査官は絶対に負けない!), translates directly to "The Undercover Agent Will Never Lose!" . The English release opted for the similar "Secret Mission: Undercover Agents Never Back Down!" . This title perfectly captures the core theme: an agent's unwavering resolve in the face of any challenge to complete their mission.
: To dispel these doubts and maintain their cover for the sake of the investigation, Noma and Riko are forced to perform "marital intimacy" to convince their neighbors they are a real couple. Riko endures these situations out of a strong sense of justice. The Movie Database Media Information Original Source : The series is based on the adult manga Motto Aeide! Sennyuu Sousakan wa Sex mo Oshigoto desu Anime Adaptation
| Character (Role) | Voice Actor | Description | | :--- | :--- | :--- | | (Experienced Agent) | Mei Misonoo | A skilled and determined narcotics officer. She is fiercely committed to justice and prides herself on her physical prowess and strong-willed nature. Riko claims to have a boyfriend for professional reasons, but her actual romantic experience is minimal, adding to her internal struggle as the undercover mission escalates. Despite her feelings of humiliation, she endures the mission's demands for the sake of her duty. | | Noma (Junior Partner) | Jyun Shita | Riko's eager and slightly mischievous junior partner. He’s a likable, "youngest-child" type who is still gaining field experience. Noma is highly motivated to prove himself and assist his senior, but his methods often push the boundaries of their professional relationship. He is the one who often initiates the intimate acts required for their cover, reminding Riko that it’s all "part of the job". |