Haibaiyōshi Mizuiro
Japanese manga series
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Haibaiyōshi Mizuiro (胚培養士ミズイロ; lit. 'Light Blue Embryologist') is a Japanese manga series written and illustrated by Mari Okazaki. It has been serialized in Shogakukan's seinen manga magazine Weekly Big Comic Spirits since October 2022.
| Haibaiyōshi Mizuiro | |
First tankōbon volume cover | |
| 胚培養士ミズイロ | |
|---|---|
| Genre | Medical drama[1] |
| Manga | |
| Written by | Mari Okazaki |
| Published by | Shogakukan |
| Magazine | Weekly Big Comic Spirits |
| Original run | October 3, 2022 – present |
| Volumes | 10 |
Plot
Publication
Written and illustrated by Mari Okazaki, Haibaiyōshi Mizuiro started in Shogakukan's seinen manga magazine Weekly Big Comic Spirits on October 3, 2022.[2][3] Shogakukan has collected its chapters into individual tankōbon volumes. The first volume was released on January 30, 2023.[1] As of March 30, 2026, ten volumes have been released.[4]
Volumes
| No. | Japanese release date | Japanese ISBN |
|---|---|---|
| 1 | January 30, 2023[5] | 978-4-09-861483-7 |
| 2 | May 12, 2023[6] | 978-4-09-861810-1 |
| 3 | September 12, 2023[7] | 978-4-09-862590-1 |
| 4 | January 30, 2024[8] | 978-4-09-862721-9 |
| 5 | May 30, 2024[9] | 978-4-09-862881-0 |
| 6 | November 28, 2024[10] | 978-4-09-863118-6 |
| 7 | April 30, 2025[11] | 978-4-09-863465-1 |
| 8 | August 29, 2025[12] | 978-4-09-863601-3 |
| 9 | November 28, 2025[13] | 978-4-09-863681-5 |
| 10 | March 30, 2026[4] | 978-4-09-863869-7 |
Reception
The manga was ranked second for the second Crea Nighttime Manga Award in 2023.[14] Along with Watashitachi wa Mutsū Renai ga Shitai, Haibaiyōshi Mizuiro ranked 30th on the 2023 "Book of the Year" list by Da Vinci magazine.[15] The series ranked seventh on Takarajimasha's Kono Manga ga Sugoi! list of best manga of 2024 for male readers.[16] It has been nominated for the 29th Tezuka Osamu Cultural Prize in 2025.[17]