List you can request ships (romantic/platonic relationships) from (because that's all I know)
Saiki k
Detroit: Become Human
Total Drama
Stranger things
Komi can't communicate
Aggretsuko
Kotaro Lives alone
Star vs the forces of evil
Proud family
Gravity Falls
The owl house
Turing Red
South park
Inside Job
Sander Sides
Yandere sim
Undertale
Helluva boss
Hasbin hotel
Heartstopper
Spy X Family
Walten Files
Animal crossing (only exception for Y/N but must be OC[Like the player character])
Dead End: Paranormal Park
Way of the House husband
Blue exorcist
Q-force
Great Pretender
Sweet home
Death note
IT
Crossovers of any of these
This will most likely get updated a bit
And remember NO Y/N