manta ray, specifically, a giant oceanic manta ray (genus Manta)

ghost / evil spirit, demon, ogre / (figuratively) someone of remarkable or diabolical energy or ability, a demon / "it" in a game of tag/hide and seek (鬼ごっこ onigokko, "pretend spirits")

manta ray, specifically, a giant oceanic manta ray (genus Manta)

beautiful

(archaic) beautiful

one thing

ray

ray, a kind of cartilaginous fish

a sea, an ocean / a lake / (figuratively) an object covering over a large area, as in 血の海 (chi no umi, “pool of blood”) or 火の海 (hi no umi, “sea of fire”)

demon, ogre, monster / soul of the deceased