Son-in-law fucks mother-in-law while his beloved wife fights on the front lines

Times are such that almost everyone on this planet is facing mobilization due to the possible outbreak of World War III. In the United States, the mobilization of new recruits is in full swing, with subsequent deployment to the front lines. Nikki could be taken by force, so his wife decides to join the army in his place. And while she is there studying and fighting, his member is closely looked after by the girl's mother - the sexy mother-in-law Little.