Go Become a True Giant of Light, Aizen Makoto

[There is a “female” lead, and she gets even more attention in the early part] After being killed by an air purifier, Cereza... Actually, let's call him Aizen Makoto! Aizen Makoto discovers that he has come back to life. Not only does he have the Orb Ring NEO, he also seems to have arrived in a strange universe. The story opens with a girl crying for help. What could be a more perfect hero's script? But Aizen Makoto gradually realizes that something is very wrong with this world. The sky is murky, the air has never smelled fresh, moss covers the crumbling buildings, the streets are cracked, and weeds grow wildly through the gaps. Monsters roam everywhere and natural disasters run rampant. There is no order, and humanity barely clings to life amid the ruins. Even the air is steeped in despair. All kinds of bizarre monsters, and far too many aliens... But even the aliens can't stand this world! And yet, there are strange things about it. Daigo Madoka, Gamu Takayama, Hayata Shin, Hokuto Seiji... powerless, are they merely people who happen to look like and share names with the hosts? And why is there a Demon King Monster here? What do you mean the Water Demon King Monster is Eleking? This world is sick. The reason for his resurrection is unknown. The source of the Ring's power is unknown. The cause of this world's collapse is also unknown, but Aizen Makoto has no intention of digging deeper. He's never been one to ask why. He's more used to stepping straight onto the stage. Go become a true Giant of Light! And while you're at it, awaken the heroes! Wait, what do you mean the one he saved wasn't a girl at all, but a two-dimensional... er, extradimensional being named Yapool? This is a story about soaring higher and spreading his wings