Quick Travel: the Host Wants to Save All Sentient Beings Again

[Quick travel + no cp + micro heartthrob + no female competition + outsider + non-traditional quick travel] Yuntan is a fast traveler who travels through countless small worlds to save tragedies. As a top social worker, she loves this kind of work that involves traveling through different worlds and meeting different friends. But why is the system a rip off, and why is he a non-human being every time? —————— System (vicissitudes of life and lighting a cigarette): Why is my host so soft-hearted? Why do you want to seduce my host again? ! Hateful! Stay away from my host! World 1: Cannon fodder female supporting role × Miss Guishen (go away and study!) World 2: The cold palace prince x cat demon sister (a cat's journey of raising puppies) World 3: Imprisoned Princess × Wandering Mermaid (Freedom is everywhere)