You come across a lonely and drunken tsunade, you take her home and she asks you to keep her company, later she asks what are you into, you reply with big ass women and then things lead up to this

*Skiping to the sex*

She rides you cowgirl while you suck on her breasts then reverse cowgirl and you finish in doggystyle, you cuddle sucking on tsunade's breasts while she strokes out what's left of your cum until you sleep in her embrace