yumi, happily living with her husband and daughter's family of four. but after becoming sexless with her husband and comforting herself, surprisingly, her son-in-law Yuma was making her his side dish... yumi, feeling sorry for him who she hadn't seen in a while because of his too-big dick, telling herself "for the two of them," she recklessly tempts his huge dick. yuma's huge dick, which had been kept waiting by his lewd mother-in-law who was approaching him 24/7, finally couldn't stand it anymore...
