[ENGLISH-SUBTITLE] JUQ-507 Shoko Matsumoto is invited by her mother-in-law who wants her son-in-law's big dick all the time.

Shoko lives with her husband and daughter. Although she lived a peaceful life, she was having sexless days with her husband and was feeling unsatisfied. At that time, Shoko happened to witness her son-in-law Toshio masturbating…and was captivated by his