鬼事: tag (game)

東琴: (music) a six-stringed koto or zither used to perform kagura music, more common in ancient times

(onomatopoeia) with the sound of something mechanical moving

(onomatopoeia) the sound of something mechanical moving, such as a tram or train passing by

(onomatopoeia) to create the sound of something mechanical moving

unrealistic fantasy

secret

(idol fandom) activity in support of one's favorite idol

(idol fandom) to engage in activity in support of one's favorite idol

(chemistry, organic chemistry) polymer