piko-piko（ピコピコ）
piko-piko describes a small, light, repetitive movement or sound, often associated with simple electronic beeps, toy-like motions, or rhythmic mechanical reactions.
moya-moya（モヤモヤ）
moya-moya describes a state of emotional or mental haziness, where feelings are unclear, unresolved, or vaguely uncomfortable.
shobo-n（ショボーン）
shobo-n describes a small, quiet feeling of disappointment or mild discouragement.
gusshori（グッショリ）
gusshori describes a state of being thoroughly soaked with liquid.
ton-ton（トントン）
1. Light tapping or knocking sound
chira-chira（チラチラ）
chira-chira describes repeated, intermittent, or flickering movements of looking or appearing.
shun（シュン）
1. Quick movement or disappearance
goro-goro（ゴロゴロ）
1. Heavy rolling or rumbling movement
fuwa（フワ）
1. Light, soft, or airy state
koro-koro（コロコロ）
1. Rolling lightly