The hooking of the glans in the cowgirl position, stirred up by the use of her own hips, seems to be the ultimate in pleasure.
Hinako is a married woman who knows only her husband. when she took off her clothes with a pounding heart, her slender body and shapely tits were on display.
You can't miss the look on the face of a girl who's never experienced orgasm when she's made to cum by a cock for the first time in her life.