Keimi is a young mermaid from Fish-Man Island, first introduced in the "Hatchan's Seafloor Stroll" story. She is 18 years old, stands 197cm tall, and was born on November 3 under the sign of Scorpio, with blood type X. She is kind, innocent, and easily tricked, often getting caught by villains or even ending up inside sea creatures. Although Keimi dreamed of becoming a fashion designer, she now works as a waitress at the Mermaid Café. Throughout her adventures, she has been rescued multiple times, most notably by Hatchan, Luffy D. Monkey, and Rayleigh Silvers. She is very friendly and has a funny habit of calling people by adding "chin" after their names.
Keimi is a mermaid whose lower half is similar to a tropical fish called a Kissing Gourami.
She is quite tall for her age, standing at 197cm (about 6'5").
Her eyes are very expressive and can pop out in surprise.
Her look matches her cheerful and kind personality.
Keimi is pure-hearted and extremely naive.
She is always nice to everyone and never feels bothered, even when Sanji shows great excitement around her.
Her kindness makes her very easy to trick, which has caused her to get caught by villains over 30 times!
She often gets eaten by sea creatures, too—about 20 times!
Keimi shows her feelings clearly on her face, especially when she is surprised.
Basic Profile
- Name: Keimi
- Age: 16 → 18
- Height: 197 cm
- Blood type: X
- Birthday: November 3
- Zodiac: Scorpio
- Favorite food: Wakame Brulee
- Species: Kissing Gourami mermaid
- Hometown: Fish-Man Island, Ryugu Kingdom
- First appearance: Volume 50, Chapter 490 "Landing Again"
Keimi grew up on Fish-Man Island and wanted to become a fashion designer.
She learned about clothing and design from Pappag, the owner of Criminal brand, trading clams for lessons.
She used to work at the Takoyaki 8 food stall with Hatchan but now works at the Mermaid Café.
Keimi is very close to Hatchan, who has saved her many times.
She is also friendly with Pappag, who helps look after her and teach her.
When people tease her about liking Hatchan, she gets embarrassed and tries to deny it.
She becomes friends with the Straw Hat Pirates and guides them around Fish-Man Island.
Keimi has basic skills as a waitress and can also swim very fast, like most mermaids.
She does not fight but is brave in helping her friends, like when caring for Hatchan's wounds.
She is very good at seeing the good in others and keeping everyone positive.
Introduction in "Hatchan’s Seafloor Stroll"
Keimi first appears during the story about Hatchan's adventures under the sea.
She and Pappag get swallowed by a sea monster, but Hatchan saves them both.
Later, she is caught by the Macro gang, but Hatchan rescues her again.
Afterward, Keimi works at the Takoyaki stall with Hatchan and Pappag.
Meeting the Straw Hats
After some time, the Straw Hat Pirates arrive in the area.
Keimi is once again swallowed by a sea monster but is saved by Luffy D. Monkey and his friends.
She asks the crew to help rescue Hatchan from the Macro gang and Flying Fish Riders.
At first, the crew is unsure because of past problems, but Nami agrees, and they all work together.
Trouble at Sabaody Archipelago
Keimi tells the Straw Hat crew about coating ships for underwater travel.
While looking for a skilled craftsman on Sabaody Archipelago, she gets caught by bad people and is put up for sale at the Human Auction House.
She is almost sold but is rescued just in time by Rayleigh Silvers, who removes her collar.
After this, she stays with Hatchan.
After the Time Skip
Two years later, Keimi is working at the Mermaid Café.
When Luffy D. Monkey, Usopp, Sanji, and Chopper Tony Tony wash up at Fish-Man Island, Keimi saves them and tries to reunite them with their friends.
She gets mixed up in an attempt to take over the palace but always tries to help the Straw Hats.
When the Ryugu Palace is attacked, she escapes with Nami and ensures everyone’s safety at the Sea Forest.
Later, she nurses a badly injured Hatchan back to health.
Keimi likes to add “chin” at the end of everyone’s name, which sometimes confuses people.
Some readers joked about this habit in questions sent to the author.
Brook, the Straw Hats' musician, always asks girls, "Can I see your panties?" but with Keimi, he asks, "Can I borrow some money?" instead.
Sanji even comments on how strange this is.
Keimi represents the friendly and peace-loving side of Fish-Man Island.
She is one of the first mermaids introduced in ONE PIECE.
Her dream is to be a fashion designer, and she always tries to see the best in everyone.
Even though she often gets herself into trouble, Keimi's heart is always in the right place.
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