I Traveled Through Another World and Learned All My Skills from Anime

A story in which the protagonist is summoned to a different world by a weird old man. How long can a boy who is given the ability to materialize his imagination rely solely on the anime moves he has learned to survive? "What are my abilities?" "Making your imagination concrete." "Isn't it too abstract, like?" "See that mammoth?" "You see, the skin is as thick as an anti-explosion shield. This team of heavy cavalry has tried to pierce and slash, but they can't break through the defense." "Have they not tried Rasengan yet?" [Sweet article + imaginary world + complete plot + protagonist with a dark belly and brains] A love letter to anime masters