This is the Tearlaments Havnis from YU-GI-OH!

good at: 0.7 - 1

Tags (character): Tearlaments Havnis, mermaid,

Tags (body parts): blue nipples, hair over one eye

Tags (body parts extra): bags under eyes, freckles, white colored skin

Tags (clothes): blue dress, silver tiara, blue detached sleeves, calf fins, sleeves past fingers

Tags (weapon): holding sword, sword, dual wielding

Tags (others): tears, underwater, bubble, blue theme, sparkle, water