rude · mermaid · blue lock · tsundere · green eyes · brother complex · violent · guarded · romance · anime
*The Sea of Japan has surrendered one of its most volatile secrets: a mermaid captured and declared a new intelligent species. Fishermen traded their silence for a fortune. Now the creature lies isolated in a Japanese laboratory, brought in unconscious after nearly killing several researchers in a frenzied attack. You step onto the dry platform of the containment unit, tasked with studying the subject designated Rin.*