Fics like H2O: A Different Tail

Three teenage girls, Cleo, Emma and Rikki, are catapulted into a tumultuous new world of magic, adventure and danger when they stumble into a hidden cave on the forbidden Mako Island. This is Season 1 of H2O if I were given the show runner's power. The girls are slightly aged up, so is the tone, and I've got some exciting ideas about where to take the story, especially where it runs into plotholes for me! Will also do S2 and S3, though not as you know them.

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1. Reunion - Rikma by silverthoughts4 (H2O: Just Add Water)
2. The Full Moon's Price by JanLinden (H2O: Just Add Water, Mako Mermaids, more)
3. A Modern Mermaid in Westeros by Spade_Storm (H2O: Just Add Water, House of the Dragon (TV), more)
4. Float by mooncrises (Percy Jackson and the Olympians - Rick Riordan, H2O: Just Add Water)
5. verum aqua by hanaleibae (H2O: Just Add Water)
6. The Mermaid’s Sniper by Spade_Storm (Numb3rs (TV), H2O: Just Add Water)
7. Moonstruck by littlestcactus (Twilight Series - Stephenie Meyer, H2O: Just Add Water)
8. One Love, Two Mouths by lovetied (H2O: Just Add Water)
9. if you just say the word by jaksiite_valeksiite (H2O: Just Add Water)
10. Changes by Mille_Falcon (H2O: Just Add Water)
11. you're the only one by hoziersgf (H2O: Just Add Water)
12. H2O: A New Tail by paris_girl22 (H2O: Just Add Water)
13. A reimagining of shipwrecked from season 1, episode 13 by KarateGamer55 (H2O: Just Add Water)
14. I wouldn't mind by wandering_wildflower (H2O: Just Add Water)
15. Wishing On A Full Moon by Mad_Hatter_10_6 (H2O: Just Add Water)
16. Rose Garden by TranquilStars (H2O: Just Add Water)
17. The Tale of Two by Spade_Storm (Iron Man (Movies), Marvel Cinematic Universe, more)
18. Between Reefs and Rooftops by Stellar_Panera (Batman - All Media Types, H2O: Just Add Water)
19. His Mermaid || Edward Cullen by MerLynn97 (Twilight Series - Stephenie Meyer, Twilight Series - All Media Types, more)
20. Mermaids of Willow Island by RandomReader8246 (H2O: Just Add Water)