All You Have To Do by randominity (NC-17)

[twigged.livejournal.com]

Fandom: ONE DIRECTION
Pairing: Louis/Zayn
Length: ~8,700 words
Author on LJ: randominity
Author on AO3: Randominity
Why this must be read:

Because what if all of Louis' nipple-tweaking and ball-slapping and pranks are really just badly disguised pulling of pigtails, and he's the last to know?

Louis doesn't want to win Zayn over - he just wants to win.