Key Announces Jun Maeda Throat Cancer Diagnosis
The announcement sets a concrete limit on Maeda's output: Key states he has finished his Heaven Burns Red work through the first part of Chapter 6 and may not be able to handle scenarios or music beyond that.
Key Facts
- Visual Arts and Key announced on October 19, 2026 that creator Jun Maeda has been diagnosed with throat cancer.
- Jun Maeda began feeling throat discomfort in early spring 2026 and felt swelling and pain by summer before receiving the diagnosis.
- Jun Maeda chose palliative care over aggressive treatment to conserve his strength for creative work and is currently hospitalized.
- Jun Maeda has finished his Heaven Burns Red scenario work through the first part of Chapter 6 and the lyrics and composition for that section.
- Visual Arts is accepting letters and emails for Jun Maeda but will decline get-well gifts other than letters.
Reporting from 7 sources: 4Gamer.net, GAME Watch (Impress), Cinema Today, KAI-YOU, and 3 more.
Visual Arts and its brand Key announced on October 19 that affiliated creator Jun Maeda has been diagnosed with throat cancer. According to the notice, Maeda felt discomfort in his throat in early spring 2026 and, as swelling and pain worsened into summer, underwent detailed examinations at a medical institution. After weighing his condition and treatment options, Maeda chose not to pursue aggressive treatment. He will instead receive care centered on palliative care, with the stated aim of conserving his physical strength and devoting himself to creative work. Maeda is an executive officer of Visual Arts and has handled planning, scenario, and music for Key titles including Kanon, AIR, CLANNAD, and Little Busters!. He is currently hospitalized.
Key posted the notice through its official X account on October 19, and the company is accepting letters and emails of encouragement at maedajun_message@visual-arts.jp and at Visual Arts Co., Ltd. / Jun Maeda, Park Tower 17F, 2-10-70 Namba-naka, Naniwa-ku, Osaka City, Osaka Prefecture 556-0011. The statement declines get-well gifts and other items besides letters, and says staff cannot reply to each message individually but will pass them to Maeda.
The Heaven Burns Red work is mapped out further than the main scenario. Maeda has finished the lyrics and composition for the songs in the first part of Chapter 6, and the full main story through the end of Chapter 6 is written. A planned music project originally called for a long-term rollout on YouTube. According to the announcement, "with the discovery of his throat cancer, and from the thought that not much time remains in which he can produce, he has changed course to complete the music he is currently conceiving as quickly as possible and deliver it to customers."
The notice also restates his background: born in 1975, an executive officer of Visual Arts, and credited with planning, scenario, and music on One: Kagayaku Kisetsu e before the Key brand launched, then Kanon, AIR, CLANNAD, and Little Busters!. He handled original concept and music for Summer Pockets and wrote the anime Angel Beats!.
Synthesized by Yomimono from the 7 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.
Sources
- 4Gamer.net 「CLANNAD」などを手掛けるクリエイター麻枝 准氏，咽頭がんと診断。積極的な治療は行わず，緩和ケアを中心とした療養を選択
- GAME Watch (Impress) Key、「CLANNAD」などを手掛けた麻枝 准氏の咽頭がんを公表
- Cinema Today 「Kanon」「CLANNAD」など手がけた麻枝准、咽頭がん公表 緩和ケア中心に療養「創作活動に専念」
- KAI-YOU 『Air』『CLANNAD』の生みの親 麻枝准、咽頭がんを公表 創作活動は継続へ
- Automaton 『Kanon』『CLANNAD』など手がけたKeyの麻枝准氏、咽頭がんを公表。「最後まで制作に専念したい」と強い思い明かす
- Denfaminicogamer 麻枝准氏が咽頭がんと診断。ビジュアルアーツ／Key所属のクリエイターとして『ヘブンバーンズレッド』のシナリオ執筆や楽曲制作を手がける
- Game Spark 『Kanon』『リトバス』などKey麻枝准氏が咽頭がんを公表。『ヘブバン』ではシナリオや楽曲を担当、第六章完結までストーリー主要部分はすべて描き終えている