Tsubaki Kato is a soothing beauty who charms with her sexy and cute beauty, fair skin, and slender body. We will introduce her charms in full! Tsubaki teases and half-seduces and plays with her serious father-in-law on the same day... ``Seduced by my frustrated son's wife''. When Tsubaki's mother finds out that her son likes men, she decides to teach him sex education to teach him the charms of women... ``Intelligent mother's Spartan sex education'' are all included in this complete collection of two works!