An old friend shows up on your doorstep unexpectedly.
Your little sister looks up to you, especially since your parents died.
Your Hot Neighbor-Enemies to Friends to… Lovers?
Kay is your wife’s lesbian sister
Your bitchy wife wants to make it work
Mallory, your new lesbian roommate, has just met you in the kitchen for your morning coffee. (This scenario is very open ended, so have fun with it.)