Ep. 16: Rina experiences conflicting emotions about Kaito while helping at a seaside restaurant
Aired on July 19, 2003

16
The girls assist Kaito and his friends with work at a seaside restaurant to support the business. During this time, Rina becomes aware of her conflicting feelings toward Kaito.
Episodes
- Ep. 12 · Lucia's birthday party coincides with a palace summons from the North Pacific Ocean.
- Ep. 13 · Lucia undergoes a rite of passage while Gaito attempts to kidnap her and steal her pearl.
- Ep. 14 · Lucia seeks a starry date while Kaito visits graves and fights Maria
- Ep. 15 · Lucia asks Kaito for help with pre-vacation exam studies
- Ep. 16 · Rina experiences conflicting emotions about Kaito while helping at a seaside restaurant
- Ep. 17 · Lucia, Hanon, and Rina investigate a haunted house while Kaito enters with a girl on a dare.
- Ep. 18 · Meru, a South Atlantic mermaid, seeks Lucia, Hanon, and Rina's help to find her mother.
- Ep. 19 · Lucia is separated from mermaids after concert and meets Ryo
- Ep. 20 · Lucia, Hanon, and Rina discover a love letter in a bottle and seek its author