Marisa is the best in the world!!! A protagonist with a system is presented to the beautiful world of Gensokyo, but he's surprisingly a noob? Eleven, armed with the system, will endure many beatings in Gensokyo... (crossed out) What kind of story will unfold between him and the girl? Incidentally, the system is a scumbag system that loves to remain invisible (crossed out entire sentence). This is a mix of the first and second settings, including some of the author's personal settings.

Also known as "We Can Be Adventurers Without All the Hassle" & "Is Turning the Adventurer's Guild into an Online Game Company a Wrong Thing?" In the opulent throne room of the Great Tomb of Nazarick, Ainz Ooal Gown sits high atop his throne, overlooking the crowd of cat-like players below. Cat Ferry: Look, meow! This is the protector of the Great Tomb of Tsuwu, the ruler of the fortress city of E-Rantel, the Supreme Being of the Great Tomb of Nazarick, the mayor of your Novice Village! The invincible Ainz Ooal Gown, the great Sorcerer King Ainz Ooal Gown! Why don't you all bow down and pay your respects, meow?

Yuuji Sakai, the usually vacant and somewhat weak protagonist, lives an ordinary life until the sudden appearance of a monster disrupts his ordinary life. Under the setting sun, Yuuji is suddenly attacked by an alien monster that transforms human "existence" into spiritual fire and then devours it.

At this time, a girl who called herself "Flame-haired and Burning-eyed Slayer" appeared and rescued Yuuji from the monster's mouth. Yuuji Sakai named her Shana based on the name of her large sword.

She told Yuji that his life was about to end - it turned out that outside this world, there was another world called the "Red World". In order to realize their ambitions, the people there took away the world's original power, the "power of existence", from humans one after another, and Yuji was one of the victims.

After the Crimson Apostle took away the "Power of Existence",...