A TALE OF BONDAGE FIGHTER PRINCESS SPHINXact11 vsTESSENJUTU

The 11th bondage battle of the mysterious beauty "SPHINX" who comes to bind a "strong, beautiful and sinful" woman!
This time, the opponent is a female college student in a yukata.
Who came to see her in the precincts of the shrine where you can see the fireworks...?
Will I get revenge for my grandmother who fought against SPHINX in the past?
Also, please understand that there may be different interpretations and expressions from the original when translating.
Main story R-18, monochrome, It is 78 pages including the bonus image including the postscript.