Craving || Niam

[Completed + AU + BoyxMan] Craving [Noun] ~ A powerful desire for something (or someone) Niall Horan is Liam Payne's craving and he doesn't even know it yet. Liam wants him in every way possible, while niall thinks of him as just his teacher. Mr.Payne is the new teacher around in school and everyone knows everything a...