
Key art was also unveiled. (C)ʼ25 SANRIO Copyright Sanrio Co., Ltd.
The theme song for the Netflix stop-motion animation series “My Melody & Kuromi,” starring Sanrio’s popular characters My Melody and Kuromi, has been decided to be “Kawaii (Prod. Gen Hoshino)” sung by the five-member girl group “LE SSERAFIM.” This is the first collaboration between the two, produced by Gen Hoshino. A portion of the soundtrack was unveiled for the first time in the trailer.

Netflix series “My Melody & Kuromi” will be exclusively distributed worldwide from Thursday, July 24th
(C)ʼ25 SANRIO Copyright Sanrio Co., Ltd.
This series depicts an adventure story set in Maryland, where My Melody and Kuromi live. The director is Tomoki Misato, an up-and-coming creator who attracted attention with “PUI PUI Molcar,” which he wrote, wrote, and directed. This is the first stop-motion animation masterpiece from “TORUKU,” a stop-motion studio launched within the animation production company “WIT STUDIO.”
My Melody opens a cake shop in Maryland, where everyone lives happily. The sweets she makes with her friends Flat-kun and Piano-chan are very popular, and the shop is crowded with customers every day. Meanwhile, Kuromi’s Japanese sweets shop across from My Melody’s shop is always empty, and Kuromi spends her days searching for a way to beat My Melody’s shop. One day, My Melody comes across a pink heart in the forest, and strange events begin to occur in Maryland.

(C)ʼ25 SANRIO Copyright Sanrio Co., Ltd.
The trailer shows My Melody having fun making cakes with her friends, smiling brightly as she is surrounded by customers, Kuromi showing a jealous look on her face, and the two of them facing a crisis that suddenly befalls Maryland.
LE SSERAFIM, who will be performing the theme song for this film, is a five-member girl group consisting of KIM CHAEWON, SAKURA, HUH YUNJIN, KAZUHA, and HONG EUNCHAE. They debuted in May 2022 and are currently touring the world on their first world tour, “2025 LE SSERAFIM TOUR ‘EASY CRAZY HOT'”. Loved by fans all over the world, LE SSERAFIM, who has both cuteness and coolness like My Melody and Kuromi, is sometimes healing and sometimes courageous, which is why they decided to team up. Furthermore, the members love My Melody and Kuromi so much that they buy matching items together and incorporate them into their styling.

LE SSERAFIM
Their new song, the theme song for this film, “Kawaii (Prod. Gen Hoshino),” was produced, composed, arranged, and written by Gen Hoshino, marking their first collaboration with “LE SSERAFIM.” The song not only captures the cuteness of the characters, but also expresses the importance and brilliance of believing in yourself and moving forward, which is a theme of this film.

Gen Hoshino
KIM CHAEWON, the leader of the group, who fans say “looks like My Melody,” said of the decision to sing the theme song, “We love My Melody and Kuromi, so we were really, really happy when we heard that we would be singing the theme song!” SAKURA, who is known to be a fan of Kuromi among fans, revealed her thoughts on the song, saying, “The theme of the song is that ‘cuteness is strength.’ I hope we can convey the cuteness embodied by LE SSERAFIM and the core strength that turns your individuality into a weapon.” HUH YUNJIN, who participated in writing the English lyrics, introduced the points to look out for, saying, “I wrote the English lyrics together with Gen Hoshino. I hope you will pay attention to the lyrics as well.” KAZUHA, who often wears My Melody items on social media and has been listening to Hoshino’s songs for a long time, said, “I was very honored to have my song produced by Gen Hoshino, who I admire.” He was delighted at the realization of the long-awaited collaboration. HONG EUNCHAE commented on the series, “The world of Maryland was so cute that I was drawn in! The characters’ expressions were also very rich and interesting.” The Netflix series “My Melody & Kuromi” will be available worldwide from July 24th.
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A Star-Studded Collaboration of Pop and Cute Culture
This collaboration between LE SSERAFIM and Gen Hoshino for the “My Melody & Kuromi” theme song is a perfect blend of modern J-pop and nostalgic kawaii culture. With Tomoki Misato, known for his quirky and imaginative direction in “Mocar,” behind the visuals, fans can expect a unique aesthetic that appeals to both children and adults. LE SSERAFIM’s cool edge, Gen Hoshino’s signature sound, and Sanrio’s timeless charm could create a cultural moment that bridges generations and pop subcultures.
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