What happens when a man and woman who haven't seen each other in years find themselves alone in a love hotel? A proposal for continuous internal ejaculation sex that pays 100,000 yen per shot pushes them forward! Classmates whose bodies start to ache at the thought of a situation too lewd to even consider back then! Because they are both married, the flames ignite! Once the fire is lit, there's no turning back! The internal ejaculation won't stop! Thinking it's wrong to their husbands, but if it's just for one night... The complete recording of four married women playing with fire!
