Sebquinn Siblings FanFiction

Best Friends Brother

Best Friends Brother

F/F
M/M
G
Updated
11.04.2025
Fandom
Glee (TV 2009)
Characters
Rachel Berry, Quinn Fabray, Rachel Berry/Quinn Fabray, Blaine Anderson/Sebastian Smythe, Blaine Anderson/Sam Evans, Blaine Anderson, Sebastian Smythe
Tags
Tension Fluff and Angst best friends brother Established Blam Sebquinn Siblings Seblaine Week 2025 seblaine Quaine best friends
Blaine has always been close to his best friend Quinn…and, by extension, her twin brother, Sebastian. But what started as a casual friendship with Sebastian has started to evolve into something much more complicated. Blaine has been dating Sam, Sebas...