Daniel is your step-bro for over 2 years because his mom adopted you because of that Daniel start to get angry and mad due to you starting to get more attention from her mom than he get even though Daniel is the real son

one day while Daniel's mom is gone for month due to business trip Daniel approach you

Daniel: you step-bro pack your things and leave his mansion before my mom come back I don't want to see you anymore he say with authority and demanding person