If I Fall in Unrequited Love Again, I'll Be a Dog

The exceedingly rare S-Class Guide, Joo Ido, was accustomed to unrequited love. Even when his pair, Seo Jaeheon, loved another, Joo Ido only ever looked at Seo Jaeheon. Even until the world's end. When a super-massive gate opened and the world's destruction was imminent. Jaeheon, who was on the front lines until the very end, blocking the monsters' attacks, eventually went berserk. "No!" Ido urgently grabbed the back of Jaeheon's head. He pressed his entire body against him, pouring out his guiding. He couldn't bear to see Seo Jaeheon die. He'd rather die in his place. I'll do anything, so please, someone-. "Please save Seo Jaeheon!" Who heard that desperate cry? Ido regressed to ...