Fate: Illya's Irritable Daily Life

Illyasviel von Einzbern will participate in the Fifth Holy Grail War as a Master. His father betrayed the family, abandoned himself, and adopted another child... He wanted to take revenge on Kiritsugu, but Kiritsugu was already dead... In this case, he could only pour out his hatred on his 'dear brother'... Such Illya summoned the most famous writer in Japanese history. She will defeat this Holy Grail War with her Servant! ————————Of course it's impossible~~~ FSN+Indiscriminate spoof+Character chef pleases a big heart+Holy Grail War?