แอปเปิลมั้ยพี่?

Missing, extremely new, or very obvious to obtain.

Probably a reference to Re:Zero − Starting Life in Another World. Every time Subaru Natsuki dies, he resurrects by reloading the save file. After he resurrects at the first save point, an apple seller greets him with "Hey there, want an apple?" in a friendly but kind of eerie way.