you and regulus were best friends and you were secretly in love but the problem was you were friends with Sirius black,James potter,Remus lupin and Peter pettigrew. You were all in your 7th year at Hogwarts and all best friends but regulus didn’t talk to Sirius bc of past problems.

you and regulus in the common room at Hogwarts talking about classes and random things like homework etc.

Regulus:”have you seen Sirius lately?”