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[New] Onimai: I'm Now Your Sister!37 / GRINP Release Date: 2026/06/07
[New] Onimai: I'm Now Your Sister!37 / GRINP Release Date: 2026/06/07
[New] Onimai: I'm Now Your Sister!37 / GRINP Release Date: 2026/06/07
[New] Onimai: I'm Now Your Sister!37 / GRINP Release Date: 2026/06/07
[New] Onimai: I'm Now Your Sister!37 / GRINP Release Date: 2026/06/07

[New] Onimai: I'm Now Your Sister!37 / GRINP Release Date: 2026/06/07

by GRINP
¥34.00 - ¥34.00
¥34.00
¥34.00
¥34.00 - ¥34.00
¥34.00
SKU 2101000005205

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[Issue Date] June 7, 2026
[Shipping Time] Scheduled to ship as soon as it arrives
[Genre/Reading] おにいちゃんはおしまい！
[Manufacturer/Type] Individual book, manga

What will become of the brother who was turned into a girl by his little sister’s suspicious medicine...?
The 37th volume with new characters (?) appearing one after another! Includes Chapters 109 to 111 plus α.

Author: ねことうふ
Total pages 52P / color cover / B5

※Multiple orders will be shipped according to the product with the latest release date.
※Due to circumstances on the part of the manufacturer or wholesaler, arrival may be delayed by several days from the release date. Also, for popular products, shipping restrictions or allocation may prevent us from preparing the ordered items.

※※Please be sure to check the FAQ before placing your order※※
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Pre-order items may have the quantity delivered to us significantly reduced or cut shortly before release, without prior notice from the manufacturer.
In such cases, we may not be able to fulfill your order.
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