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Sex is Part of Undercover Agent's Job?

Unable to suppress the charming voice that leaks out sluttishly, she is attacked continuously in her secret place where her body jumps at the mere touch... and she is made to cum by her junior partner...!
--Raito, a female investigator, is undercover with Noma, her junior, in an apartment building that is the hideout of a criminal organization.
The two pretend to be a married couple, but the criminals begin to suspect that Raido and her colleagues in the next room are not the agents.
Noma tactfully begins to touch Raito's body to make they hink they are really husband and wife.
"This is my job, too! Please moan...!"
Raito is embarrassed when Noma whispers to her, "Please moan...!"
But she is unable to resist the moist kisses and fingering of her junior colleague, and is made to writhe in agony...

Webtoon version (english) chapter 1-30 : http://dl.hentaiknight.work/?l=e-hentai/g/1646294/998e298105/
Doujin version (japanese) chapter 1: http://e-hentai.fbk.tokyo/index/g/1425922/7290734f9e/