Secret Mission Sennyuu Sousakan Wa Zettai Ni Ma ((install)) -

It was released as an ONA (Original Net Animation) in late 2023, consisting of 8 short episodes , each approximately 6–7 minutes long.

. Their cover is immediately threatened when their criminal "neighbors" become suspicious of the lack of intimacy coming from their apartment at night secret mission sennyuu sousakan wa zettai ni ma

: The story is based on a manga with approximately 78 chapters. It was released as an ONA (Original Net

: The series is part of the "AnimeFesta" (formerly ComicFesta) line, which typically features adult-oriented romance and fanservice-heavy plots. : The series is part of the "AnimeFesta"

The tension escalates when the criminals begin to suspect the "newlyweds" because they never hear any sounds of marital intimacy coming from their apartment at night. Fearing their cover will be blown and their lives put at risk, Noma decides they must act the part convincingly. What starts as a tactical performance—Noma touching and seducing Riko to create the necessary "noise"—quickly evolves into genuine passion and complex feelings between the two partners.