The heroine gets a vest system, travels to every world, and can draw anime characters as her vest.
The following is the route
Tutor - Merlin
Fumino - Sakunosuke Oda
K——Young Gil
Demon Slayer - Karna
Naruto - Kaguya
One Piece - Saitama
Detective Conan - Edogawa Ranpo
Alice Academy - Jack the Ripper
Gintama——Yingcao
Attack on Titan - Higanbana
Killing Red Eyes - Misaka Mikoto
God of Death——Enkidu
Slippery Ghost——Abe Seimei
Protect your sweetheart - Shikama Madoka
Vampire Knight——Hiyoribo
Knife Master - Artoria
Hell Girl——Qing Xing Leng
…
Intention: Make good use of all the power around you