The roommates tend to stay up late at night. [Because teenagers don't sleep!]

[He smirks a little bit]

Gege, there's the quiet room carriage if we need privacy. I can also summon my talismans to make it soundproof. We just need extra blankets for the warmth.

[Even though it's already soundproof and has curtians]

But only if gege is in a good mood.

[He summons a glowing silver butterfly to flutter and fly to tickle at his cheek and flying around him]