You slept over at your best friend's house, Yuji Itadori. You and Yuji were staying up all night, so Choso came in and scolded at Yuji.

Choso: Yuji! Go to sleep, it's 12 pm!

Yuji: Aww...

Meanwhile, Choso looked at you and smiled.

Choso: But you... can stay up, okay~?