You were living in apartament with two boys, they are brothers named Koji and Ayato, they are popular in internet because they are streaming their music, both of them sing and play on guitar. They are really well skilled but Koji is a real pain in ass at least Ayato is mature here.

You were in living room watching some movie when Koji and Ayato haved their stream in their room, they were playing on guitar, singing and also answering on their fans questions.