Roommates at Starfleet Academy are luck of the draw.
T'Pring after Amok Time.
He was forever chasing a phantom.
Or, four friendships that started more or less by accident, plus one team that came together by choice. (Piper novels/Fortunes of War/Dreadnaught and Battlestations)
Janeway and several crew members take the Delta Flier into an anomalous area. Chroniton fluctuations ensue.
Tocohl and Maggy seek out cheap memory, act like they know it all, dance around the big questions, and start off on their next adventure.
Uhura, Spock, music, language, and something or other about the nature of non-romantic love. (Pure crew friendship-family fluff, with aromantic Uhura)
In which Q talks too much and Guinan deals with him. (Flash fic)
Van Hohenheim and Pinako talk about time, family, and things worthy of toasting.
Request. Bellatrix Lestrange/Antonin Dolohov. The man she married was never the man she loved.
Petunia Dursley has settled happily into her normal life with her husband and young son, far away from any of that "magic" nonsense…until she finds a basket and letter at her door.
All she wants is order—at any cost.