ジワジワ (ジワジワ) — slowly (but steadily); gradually; bit-by-bit
ジワジワ
Slowly (but steadily); gradually; bit-by-bit
Slowly soaking in; slowly permeating; oozing out; seeping out
画像検索

実際には ジワジワ が使用されます
検索結果 ジワジワ
じわじわ
slowly (but steadily)
ジワジワ (ジワジワ) — slowly (but steadily); gradually; bit-by-bit

じわじわ
slowly (but steadily)