Black Technology: Live Broadcast Wearing Mark Armor at the Beginning

I'm just an ordinary anchor. What? You ask me what's going on with this Mark armor? Isn't it reasonable for me, a high-tech anchor, to have Mark armor? And this arbitrary door? Isn't it reasonable for me, a black technology anchor, to have any door? And this silly girl? Isn't it reasonable for me, a black technology anchor, to have any door? Ahem, this water droplet was accidentally exposed. Dear viewers, listen to my quibbles... Ah no, explain! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.