Melody of the Boundary

Melody of the Boundary
First light novel volume cover
境界のメロディ
(Kyōkai no Merodi)
GenreMusic
Light novel
Written byToshiya Miyata
Illustrated byLam
Published byASCII Media Works
English publisher
ImprintMedia Works Bunko
Original runMay 24, 2024 – present
Volumes2
Manga
Written byToshiya Miyata
Illustrated byIkuta Sugimoto
Published byKadokawa Shoten
ImprintKadokawa Comics A
MagazineYoung Ace
Original runMay 2, 2025 – present
Volumes1
Anime television series

Melody of the Boundary (Japanese: 境界のメロディ, Hepburn: Kyōkai no Merodi) is a Japanese light novel series written by Toshiya Miyata and illustrated by Lam. It began publication under ASCII Media Works's Media Works Bunko imprint in May 2024, with two volumes released as of November 2025. A manga adaptation illustrated by Ikuta Sugimoto began serialization in Kadokawa Shoten's Young Ace magazine in May 2025 and has been compiled into a single volume as of November 2025. An anime television series adaptation has been announced.

Plot

The series follows Kyōsuke Tsurumaki and Kai Amano, two up-and-coming musicians who are members of a duo called Kanitama. However, after Kai is killed in a traffic accident, Kyōsuke quits music, living his days as a freeter. One day, while reminiscing about his past, a person arrives at his home. It turns out to be Kai, which surprises him as Kai was supposed to have died three years prior. Kai, who is showing the energy of his past self, encourages him to take up music again.

Characters

Kyōsuke Tsurumaki (弦巻 キョウスケ, Tsurumaki Kyōsuke)
Voiced by: Kent Itō[1]
A 22-year-old freeter who lives at home. He originally met Kai in high school and they formed a music duo called Kanitama, but Kai was killed in an accident before they could make their major debut. Deeply affected by the tragedy, Kyōsuke quit music and became disillusioned with life. However, after Kai suddenly appears before him one day, he decides to restart his music career.
Kai Amano (天野 カイ, Amano Kai)
Voiced by: Daisuke Sakuma[1]
Kyōsuke's partner in Kanitama, who was killed in an accident three years prior to the start of the story. One day, he suddenly appears before Kyōsuke, motivating him to pursue music again.
Takeshi (タケシ)
Voiced by: Yuma Uchida[1]
Makoto (マコト)
Voiced by: Shunsuke Takeuchi[1]
Minoru (ミノル)
Voiced by: Soma Saito[1]

Production

Melody of the Boundary is the debut novel of Toshiya Miyata, a singer and actor who is a member of the Japanese boy band Kis-My-Ft2. Having been a long-time fan of anime, Miyata sought to create something that he would be known for outside of his entertainment career. At first, he sought help from staff members, but after someone advised him to write his own story, he wrote five drafts with the aim of having one published as a story. Of the drafts he wrote, he felt most attached to Melody of the Boundary and decided to pursue it. In writing the novel, he wanted readers to appreciate both the positive and negative aspects of the characters, with the two lead characters Kyōsuke and Kai being partly based on his own personality.[2]

Miyata found it difficult to write the novel at first, having entered the entertainment industry at a young age and thus having limited formal education. He compared his challenges in writing to his own training in singing and dancing as a musician. As a result of his busy schedule, he would sometimes focus on writing late at night to the point of sleeping for only three hours. The illustrator Lam was chosen to provide the illustrations for the novel, with Miyata giving instructions on the characters and how to flesh them out. Miyata remembered being emotional when he first saw the finished volume and its accompanying drama CD, feeling joy at seeing his original idea come to life.[3]

Media

Light novel

The first light novel volume was published under ASCII Media Works's Media Works Bunko imprint on May 24, 2024.[4] The second volume was announced on July 16, 2025, and was released on November 25, 2025.[5][6]

In December 2025, Yen Press announced that they had licensed the series for English publication beginning in June 2026.[7]

No. Original release date Original ISBN English release date English ISBN
1May 24, 2024[4][8]978-4-04-915497-9
978-4-04-915498-6 (SE)		June 9, 2026[9]979-8-85-542878-0
2November 25, 2025[6][10]978-4-04-916205-9
978-4-04-916724-5 (SE)		——

Manga

A manga adaptation illustrated by Ikuta Sugimoto began serialization in Kadokawa Shoten's Young Ace magazine on May 2, 2025.[11][12] The first volume was published on November 25, 2025.[13]

No. Japanese release date Japanese ISBN
1November 25, 2025[14]978-4-04-116609-3

Drama CD

A drama CD featuring the voices of Kent Itō as Kyōsuke and Daisuke Sakuma as Kai was released together with the limited edition of the first volume.[8] A second drama CD was bundled with the limited edition of the second volume.[10]

Anime

An anime television series adaptation was announced on November 13, 2025. The cast of the series' drama CDs are reprising their roles.[1][15]

Reception

The series won four awards at the 2024 Next Light Novel Awards, including ranking first in the Paperback category.[5] At the time of the second volume's announcement, it was reported that the first novel had sold over 100,000 copies.[5]

References

  1. ^ a b c d e f Pineda, Rafael Antonio (November 13, 2025). "Toshiya Miyata's Kyōkai no Melody Novel Gets TV Anime". Anime News Network. Retrieved November 13, 2025.
  2. ^ "アイドルとオタク。様々な道のりを経て生まれた"作家"という第三の自分――『境界のメロディ』著者・宮田俊哉さん（Kis-My-Ft2）インタビュー" (in Japanese). April 19, 2024. p. 1. Retrieved November 13, 2025.
  3. ^ "アイドルとオタク。様々な道のりを経て生まれた"作家"という第三の自分――『境界のメロディ』著者・宮田俊哉さん（Kis-My-Ft2）インタビュー". Animate Times (in Japanese). Animate (retailer). April 19, 2024. p. 2. Retrieved November 13, 2025.
  4. ^ a b "境界のメロディ". Media Works Bunko official website. Kadokawa Corporation. Retrieved November 13, 2025.
  5. ^ a b c "Kis-My-Ft2宮田俊哉が手掛けるラノベ『境界のメロディ』続編が発売へ「夢に向かって一歩ずつ進んでいると実感」" (in Japanese). Oricon. July 16, 2025. Retrieved November 13, 2025.
  6. ^ a b "境界のメロディ２". Media Works Bunko official website (in Japanese). Kadokawa Corporation. Retrieved November 13, 2025.
  7. ^ Mateo, Alex (December 12, 2025). "Yen Press Licenses Gundam: The Witch from Mercury—Vanadis Heart, Sentenced to Be a Hero, More Titles". Anime News Network. Retrieved December 12, 2025.
  8. ^ a b "【ドラマCD付き特装版】境界のメロディ". Media Works Bunko official website (in Japanese). Kadokawa Corporation. Retrieved November 13, 2025.
  9. ^ "Melody of the Boundary, Vol. 1". Yen Press. Retrieved December 25, 2025.
  10. ^ a b "【ドラマCD付き特装版】境界のメロディ２". Media Works Bunko official website (in Japanese). Kadokawa Corporation. Retrieved November 13, 2025.
  11. ^ Mateo, Alex (April 14, 2025). "Iqura Sugimoto, Voice Actor Toshiya Miyata Launch Kyōkai no Melody Manga". Anime News Network. Retrieved November 13, 2025.
  12. ^ "Kis-My-Ft2宮田俊哉デビュー作『境界のメロディ』、『ヤングエース』でコミカライズ連載決定 作画は『ナナマル サンバツ』の杉基イクラ氏【コメント全文】" (in Japanese). Oricon. April 4, 2025. Retrieved November 13, 2025.
  13. ^ "キスマイ宮田俊哉の小説「境界のメロディ」杉基イクラによるマンガ版1巻が発売" (in Japanese). Natalie. November 25, 2025. Retrieved November 26, 2025.
  14. ^ "境界のメロディ　(１)" (in Japanese). Kadokawa Shoten. Retrieved November 13, 2025.
  15. ^ "キスマイ宮田俊哉の小説「境界のメロディ」がアニメ化「半端な作品になってはいけない」" (in Japanese). Natasha, Inc. November 13, 2025. Retrieved November 13, 2025.
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