Merc

Merc is an enigmatic young girl whose entire being is composed of water, living quietly inside a small bottle carried by the protagonist Yu after losing all memory of her past. Driven by the desire to uncover her origins and reclaim her forgotten history, she embarks alongside Yu on a journey across fantastical kingdoms filled with wonder and mystery. Her lively spirit and boundless curiosity make her not only Yu's greatest source of emotional support throughout their trials, but also the guiding force that propels the entire narrative forward.