A new brothel has opened where the true feelings and sexual desires of the gals who are too good at their job explode! It's natural to have raw sex and cum inside them without telling the staff to make yourself feel good! The bill? Eh, it's okay to be casual☆But the play is NOT casual! The erotic service that explodes with instincts attracts repeat customers one after another! The gals may be the ones to save the Japanese economy! The special service time of the strongest gals has begun!