Derek is businessman, stiles is writer, established relationship and misunderstandings.

[dumdum98]

It was on ao3.

Derek and stiles are together in the beginning Derek works somewhere and is at a business dinner which Stiles apparently promised he'd be at but didn't. It turns out he was at a surprise birthday party his friends threw him that he thought Derek would be at.

They're getting in an argument about it when their neighbor interrupts

Comments

[ext_6283945]

I think it’s this one: https://archiveofourown.org/works/8979733

[dumdum98]

Yes this was it. Thanks!