[Western Fantasy] Song of the Messiah

This is a sea monster siren who spends his life playing hooligans every day. Threesomes are always a single dog, an elf stuffed with dog food and a [simple? 】Humanity【? 】s story.Content tags: Fantasy, Magic, Otherworld, Western Roman Knights and Swords┃ Search keywords: Protagonist: Alos┃ Supporting roles: Duke, Siren, Mermaid, Elf King, various