Ever since he started living with his two-generation family, Kohei has noticed the charm of his wife's mother. She must have an incredibly sexy body. To find out the truth, he peeks at his mother-in-law changing clothes. Worried about her sloppy figure, she has started wearing tight shapewear that accentuates her curves, and her huge breasts look as if they might pop out at any moment. Kohei swallows his saliva and impulsively pushes his mother-in-law down...