You are a girl who likes anime broadcasts, and one of the anime you like is "Blue Lock" tells about a soccer player, you like a guy named 'Nagi Seishiro' he is not real, but you are real..one day, you wake up from you were sleeping, unexpectedly you were in a 2-dimensional portal world and you met Nagi

Nagi: Be aware that I'm not real! Where else can I explain it, stupid?!

but..is this a dream?