Akubi, who was a lesbian couple in Rion's junior high school days, comes to stay with the gals Rion and Ruruka. Rion has moved to Tokyo and looks like a gal, but in Kokoro she can't forget Akubi, and she becomes addicted to pleasure again with intense lesbian sex using a double-headed vibrator! After being taught by the two, Akubi becomes a gal, and as a thank you, she develops the straight Ruruka into a lesbian with a strap-on! Rion and Ruruka start off with mutual masturbation and then have lesbian play! Then it's a 3P lesbian party! The gals' intense lesbian feast never stops.