MC wakes up in space (ROB's power is shielding MC from lack of oxygen and warmth in space), after telling his demands to ROB, MC gets isekaid to DXD with a gamer system
MC awakens in a bush (like Trevor Philips from GTA V), gets new player system gift, opens the mystery box (cod zombies),
gets - - - - - - - - - - - - - - -
MC walks around Kuoh, under a bridge, then through Issei park,
suddenly a wild Rias appears (pokemon game battle reference)
Rias: Hi did you know that monsters exist, would you human (secretly sneers/laughs mockingly in her thoughts), like to become a traitor to mankind by joining my peerage?
*locks arms with MC, pushes her boobs to touch MC's arm* (to manipulate MC with lust, to simp, to join her slave plantation, *ehem*, peerage),
MC: *blushes, stutters like a blue pill BETA*, yes Rias
Rias: *gives a beautiful smile*, lets first walk to my school together, we'll transform you in a more private, safer setting
MC: yes
MC is walking with Rias to Kuoh school, they arrive at Rias' mansion/cabin,
They go to a room and meet Koneko, Kiba and Akeno
MC: how quick is the transformation?
Rias: about 1 minute
*MC nods and goes to lie down on the couch*
*Rias tries to do the evil ritual*
*MC is activating his ability(s) gained from gamer system gift*,
magic nuke (a nuke without fallout poison), and survives because he also gained ability fast evolution and ban's immortal regeneration (seven deadly sins anime), but
Kuoh school, no, the entire Kuoh town, controlled by a devil wh0re(s), is gone.