As of 2024-10-29 the English version of Mermaid no You ni is a rewrite, not a proper translation. The Spanish version is a translation of said rewrite.

Contents (Engrish):

1. Is she a "FUTANARI" simmer!?
2. Do your training during the night.
3. Its Tough Being a "FUTANARI"
4. The secret of AYA.
5. Real nature of a bottom of deep water.
6. The body which is accustomed sensual pleasure.
7. A heart is disappearing like bubbles.
8. The time of miracle.
9. Like a mermaid.