Before the Tutorial Begins, There Are a Few Things That I Can Do to Prevent the Destruction of the Boss Characters

“When I woke up, I found myself reincarnated as the mid-boss of the tutorial of the epic RPG ‘Spirit War Dungeon Magia.'” “But I’m not just any mid-boss.” “My abilities are modest. My performance is lackluster. And my catchphrase is ‘Hyahhaaaaaaaa!'” “Not only do I lack companions, but I don’t even have friends. On top of that, I have the incredible misfortune of always dying in the tutorial. I’m nothing but a pathetic bottom-tier boss.” “Of course, I know that my own future is not too bright. Furthermore, I have learned that my beloved sister is fated to die from an illness.” “Big Sister, I’ve made up my mind. I will crush all the unfair conventions of this world in one fell swoop.” “...