Mermaid Melody Magical: Rina Toin

Rina Toin is the Mermaid Princess of the North Atlantic Ocean and the Keeper of the Green Pearl. Rina is a person who dwells on the past. She seemed to be cold and distant at first glance; but as the series progress, she begins to open up and shows a more friendly and gentle side of her. Rina means greens of the village. Rina is the third mermaid princess to appear in both the anime and the manga. Her idol form is Green Pearl Voice. She has two image songs from both seasons of the anime: Star Jewel and Piece of Love.
Rina means 'jasmine' in Japanese, a name of a flower.

Rina is first introduced in episode 3 as a transfer student in Lucia and Hanon’s class. At first glance, Rina seemed to be a beautiful but difficult person to get along with because of her cool and distant attitude. In episode 3, when she was first intro introduced as the transfer student, her classmates thought she was a model, because she was beautiful and wore the boys uniform instead of the girls. She also has secret fans who want to be like her, boys always seem to be attracted to her because her looks and her cool personality. Not long ago, her homeland was destroyed by the sea monsters. She met up with the mermaid princess of the Artic Ocean, Noel, to escape together. However, they were attacked by Gaito and one of his Dark Lovers, Yuuri. It was Noel who sacrificed herself by throwing herself into Yuuri’s attack in order to give Rina a chance to escape. Rina experienced difficult emotions from this event, and she arrived on land to seek revenge.

As the series progresses, Rina shows a more gentle and friendly side of her after befriended with Lucia and Hanon. She is beautiful, elegant, and very mature compared to Lucia and Hanon. Rina is also very independent. She lives on her own in a small house instead of living with Lucia and Hanon at Pearl Piari. As she spends more time with Lucia and Hanon, she becomes very close to them, and showed a more cheerful and fun side of her. Despite her cold and mature exterior, she still does some silly things with Hanon and Lucia sometimes, such as the Mermaid Contest in episode 21. She also has a unique obsession with plasma TV’s.
While Hanon and Lucia quickly find love interests on land, Rina remains unmoved when boys approach her. Her reason is simply that she is not looking for a boyfriend. However, she grows quite fond of Kaito overtime, despite the little misunderstanding she had with him the first time they met due to his physical resemblance of Gaito. In episode 16, she feels she is starting to fall for him (or in easy saying Rina have feelings for Kaito). But, knowing that Kaito is really Lucia's guy, Rina knows better than to allow those feelings to develop.

In the second season of the anime, Rina receives a love interest, the motorbike-driving boxer Masahiro Hamasaki. Rina is shy and slow about confessing her feelings. However, when she leaves him for a festival, she starts to miss him. In the second season, many of Rina's appearances have her dealing with her relationship with Masahiro.

Rina has to transform into a human to stay on land. When she is facing a sea monster, she transforms into her idol form, Green Pearl Voice, and uses her voice as an offense. Her two songs are Star Jewel and Piece of Love, and in the manga, she uses 'Cool Shine Pitch' instead of the 'Love Shower Pitch' she uses in the anime, along with the rest of the mermaids.

Her outfit is the same as the rest of the mermaid princesses. She wears the similar shell bra, shell locket, a bracelet around one of her upper arms, and double pearl bracelets around one of her wrists and her tail.
Rina’s princess outfit was first seen in chapter 14 of the manga. Her outfit is very similar to her regular mermaid outfit. However, some changes are a headband of small, yellow roses, two strings of pearls looped around the base of her tail, and a dress with a cleft and three bows on the side of her tail. Rina appeared in her princess form a second time in chapter 19; this time her dress is identical to everyone else's - with both bows and the cleft in her skirts aligned in the center of her front side.

Rina's human form only differs slightly from
her mermaid form. Her hair remains long, reaching to just below her hips, and doesn't change color, while her eyes become somewhat greyish. Her choice of clothing leans toward the sophisticated and musculine; she's usually in dark slacks or blue jeans, long sleeved or sleeveless dress shirts, and dress shoes. She is one of the tallest of the mermaid princesses behind Karen. She is 163 cm and weighs 118 lbs. She was born the 2 of September of 1989.

When facing enemies, Rina transforms into her idol form, Green Pearl Voice. In her idol form, she sings with the rest of the mermaid princesses and uses her voice as an offense.
Her first outfit consists of a long light green halter neck dress with a slit on the side ending at the knee, long light green gloves with dark green slightly ruffled cuffs to her upper arm, and high heeled light green sandals. Rina, along with Hanon and Lucia, gained her second outfit in episode 28 when the trio was upgraded by the goddess Aqua Regina.

Her second outfit is noticeably different from her first one. Her long dress now is complete with double layers. The first layer is light green and the second is slightly lighter, and she has a seaweed green bow on her right side. Her gloves now have a second layer which are a shade lighter, and the sandals are now have pearls on the straps. She also gains accessories such as a yellow-green pearl bead headband, a watch, and slightly darker green cuffs on the top of her dress. Her hair also lengthens massively. Rina’s second form is more powerful than the first one; it enables her to defeat the Black Beauty Sisters with her new songs.