This book is also known as "Uncle, I'll Help You Fight the Holy Grail War, with Meals?", "This Mapo Priest Is a Little Different", and "There's Something Wrong with This Illya".... Huh? How did I suddenly travel through time while taking a nap? And become Illya? While becoming a loli isn't a big deal, why do we still have to fight the Holy Grail War? And what exactly is the Holy Grail War? Can someone please tell me! "I'm a participant in this Holy Grail War, your Master, Kotomine Kirei. Please tell me your real name, Assassin," the seemingly respectable priest in front of me asked. Although she didn't understand what was going on, the little girl still responded politely: "Hello... Hello, my name is Illyasviel... By the way, uncle... do you provide meals here?" - In short, it's the story of Father Mapo summoning the assassin class Illya~ a well-behaved (and scheming) Illya who strives to help her Master~ (If you're not good at this introduction, please move on to the main text.) (Plot line: Fourth Holy Grail War - Fifth Holy Grail War - Magical Girl Illya, etc....)

I traveled to the world of collapse and became the same generation as Otto, Karen and their parents. What should I do if I have neither plug-ins nor simulators?

I can only slowly apply for the position of Archbishop?

Decades have passed.

As the only S-class Valkyrie of Destiny, the sister of the head of the Apokalis family, Otto's aunt, and Karen's aunt, the white-haired girl finally got her wish and sat on the position of Archbishop of Destiny.

Then...

the system appeared...

"The waste material rise system has been installed. Please actively complete the system tasks and complete the rise to become the Archbishop of Destiny as soon as possible!"

"Rise Task 1, the first step to become the Archbishop of Destiny, establish authority."

"Please slap your eight-year-old brother who mocked you, the head of the Apokalis family appointed by the Archbishop in the future, and establish prestige! (Otto's father)."

The white-haired girl looked at the head of the Apokalis family who was already in his forties and was beaten up by her.

I am the Archbishop of Destiny, and you asked me to rise?

Karen: Aunt hug!

Otto: Aunt...Hello, Aunt...