An otaku club may have traveled through time under the skin of a young man, and unexpectedly has the ability to summon new partners (system)!
A smorgasbord
How to identify the strengths and weaknesses of different systems? Just have a fight!
The writing style is very poor, the writing style of an elementary school student (no writing style)
Just an ordinary person wearing Dada duck skin, inheriting a little bit of characteristics
Intention: Haven't thought of it yet