Hello,
Thank you for your message.
Unfortunately, all the books with bonuses are only published in A5 size. However, if you are still interested, here is a list of products with bonuses.
https://manga-republic.com/product/tag_page.html?tags=2322,76166&order=vol
Please note that the volumes 1 to 4 with bonuses are not Citrus, but Citrus+.
Feel free to ask any questions and requests if you have.
Regards,
Yamamoto
