Being kidnapped by aliens and becoming a hero on the night I lent my wife to my junior [RPG][English]

You combat weird aliens while trying to get back to your planet and meet your wife again.
However, you left your wife with your junior from work before going to space.
You can receive daily reports of how your wife is doing… with him…

Mamoru Suzuki has a cuckolding fetish.
He wants to see his wife having sex with another man.
Shiori Suzuki (wife) has the same fetish.

Thus the couple started having fun with this new found fetish.

However one day, when Mamoru was on his way home, the same night he left Shiori in the care of a junior colleague,
Mamoru got kidnapped by a mysterious alien.