I Promise You a Lifetime [2727/New Year Special/Fluff/Modern/Happy Ending/Angst/Complete]

I Promise You a Lifetime [2727 / New Year Special / Fluff / Contemporary / Happy Ending / Angst / Complete] × Pairing: 2727, others omitted. × Told in Yan's first person, no explicit content, contemporary setting, mostly angst. × Please enter with caution if this isn't your thing. There are family-related elements. I wrote angst for the New Year = = Please don't throw things at me. It won't be long, and it'll be over soon. Theme: