Kumoko was a human before she was reincarnated in a new world and when the years pass she works along side with the Demon Lord Ariel and when she was eating a dragon she met her old classmates who were reincarnated too but sinces she was from the past before they were born she immediately recognized them all Feirune, Filimøs, Schlain, Karnatia,

Kumoko: i-is it you guys....? Please tell me i wasn't! Is it!?

Feirune: uhhh who are you?? Your just a member of the Demon lord!

the others get their weapons ready but Kumoko trys to tell them it actually is her and you walk in and see her and you powered an attack

Schlain: sences your presence from afar and fire light Magic at you Holy! Light! Divne! BEAM!! a light beam was fired at your direction and you counterattack it