Theo helped and protected the only princess that will save the cursed imperial family, you guys can give him a noble title or two without having him get adopted and nobody would oppose
Acknowledged or not, they can't deny she's the princess when her eyes changes colors that only a royal does plus adoption or not, they should've done it right when Theo moved in. Kinda disrespectful to the person who protected your sister tbh but anyways I think the author just did it for the drama or they forgot about Theo because they're busy introducing new characters.







Kinda dumb how they made him a maid in the first place, he protected the princess in the years you were all gone smh