Ghost Mikawa's novel Mercenary Sisters is set to receive a manga adaptation, while the manga adaptation of his light novel series My Friend's Little Sister Has It in for Me! is concluding with its 12th volume in fall 2026.
Ghost Mikawa's 2025 novel Mercenary Sisters, published on Kakuyomu and in print by Kadokawa, will be adapted into a manga by artist Ka Sakana. The adaptation was announced by Kadokawa's Comic Newtype on July 16 and will launch on the same platform. The story follows two unrelated sisters, a rookie and a veteran mercenary, surviving in a conflict zone.
Meanwhile, the manga adaptation of Mikawa's earlier light novel series My Friend's Little Sister Has It in for Me! is ending. The manga, drawn by Hira Hiraoka and serialized on Manga UP! since December 2019, will conclude with its 12th volume in early fall. The series follows a young man whose game-development ambitions get tangled with a fake relationship.
The original light novels for My Friend's Little Sister, illustrated by tomari, began in April 2019 under SB Creative's GA Bunko and remain ongoing. A television anime adaptation produced by Studio Blade aired last fall. J-Novel Club releases the novels in English. The two stories together show Mikawa's works continuing to move between formats, with one manga ending and another beginning.
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Kadokawa's Comic Newtype announced on July 16 that manga artist Ka Sakana will launch the manga adaptation of Ghost Mikawa's novel Mercenary Sisters on Tuesday. The story follows two unrelated sisters, a rookie and a veteran mercenary, surviving in a conflict zone. Mikawa originally published the novel on Kakuyomu in June 2025, with a print edition by Kadokawa in July 2025.
The manga adaptation of Ghost Mikawa's light novel series My Friend's Little Sister Has It in for Me! will conclude with its 12th volume. The 11th volume, released in Japan, carried the announcement on Thursday. Square Enix will publish the final book in early fall. Hira Hiraoka has drawn the adaptation since it began serialization on the Manga UP! website in December 2019. The story follows Akiteru, a young man whose game-development ambitions get tangled with a fake relationship after his uncle sets a condition. The original light novels, illustrated by tomari, started in April 2019 under SB Creative's GA Bunko imprint. J-Novel Club releases the novels in English. The manga is available in English digitally through Manga UP! Global and Comikey. A television anime produced by Studio Blade aired last fall on TV Asahi's NUMAnimation block, with Crunchyroll streaming the series.