Change of ハート, 心 

3 months after the epic showdown against Charlotte, everything within the lives of the mermaid trio has finally settled down. But when a spell cast によって a jaded Rikki goes awry, with Lewis and Ash as the mutual target, will the girls be able to fix it?
キーワード: H2O:ジャスト・アド・ウォーター, マーメイド, rikki, emma, cleo, lewis, zane, ash, spells, sokai