Her beloved son is suspected of theft... Haruka, a single mother, gets angry and goes to the school. The person who responds is Kazumi, a busty female teacher whose blouse is about to burst... Haruka rapes Kazumi out of frustration and nastiness... The mature woman's beautiful breasts and plump busty breasts come into close contact, and the straight female teacher falls into lesbianism... Kazumi, who has learned the pleasure, sinks into the lesbian swamp and becomes an obedient lesbian pet...