[F4M] [Script Fill] Your Best Friend is a... Mermaid?! [Monster Girl] [Friends to Lovers] a little [Tsundere] to [Gentle Fdom] [Slow Burn] [Tropical Vacation] [Wholesome] [Confession] [Teasing] [Underwater Sex] [Telepathy] [Creampie] [Transformation] [Kissing] [Breast Play] [Mutual Orgasm] [SFX]