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1. catalyst by sallysimpsons

   Fandoms: One Direction (Band)  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   12 Jun 2026

   Tags

   • No Archive Warnings Apply
   • Harry Styles/Louis Tomlinson
   • Harry Styles
   • Louis Tomlinson
   • Niall Horan
   • Liam Payne
   • Zayn Malik
   • Angst with a Happy Ending
   • Cheating
   • the two of them are cheating on their girlfriends just to be clear
   • Coming Out
   • Harry owns a record store
   • Photographer Louis Tomlinson
   • there is also a cat
   • Top Louis Tomlinson
   • Bottom Harry Styles
   • Smut
   • Childhood Friends to Lovers

   Summary

   One time could be forgiven, they were both so drunk that night. But two times. Two times were unforgivable. Harry should’ve told Louis to go to the pub now, laugh it all off. But he didn’t. Instead, once again, his body moved before his brain could and his lips were crashing against Louis. This time it was him who initiated, and Louis didn't pull back, but parted his lips to welcome Harry’s tongue in his mouth.

   Harry and Louis are both straight and in happy relationships, that is until the two of them end up shagging in the bathroom of a club during Harry's bachelor party.

   Language:

   English

   Words:

   54,297

   Chapters:

   5/5

   Collections:

   1

   Comments:

   43

   Kudos:

   304

   Bookmarks:

   114

   Hits:

   6,631