Work Text:
-will has a younger sister
-will and his sister usually go on adventures together
-will's sister is named lily
-will and lily got separated on one of their adventures
-lily has been trying to find her older brother for years
-lily was 15 when she and will got separated
-will has also been looking for lily for
-will is 27 when lily arrives at town hall after a run-in with centross
-lily runs to will's house without knowing it's will's house
-lily knocks on the door and will opens it
-he tells them to come in as soon as they see centross chasing them
-after they're inside will asks them how they are
-they say fine except for being out of breath
-will asks them their name and they reply with lily