Gunjō ni Siren

Gunjō ni Siren (Japanese: 群青にサイレン, Hepburn: Gunjō ni Sairen; "Ultramarine Siren") is a Japanese baseball-themed manga series written and illustrated by Mikan Momokuri. It was serialized in Shueisha's josei manga magazine You from July 2015 to October 2018, until the magazine ceased its publication. It was later serialized on Shueisha's online platform Shōnen Jump+ from February 2019 to August 2020. Its chapters were collected in 12 tankōbon volumes.

Gunjō ni Siren
First tankōbon volume cover
群青にサイレン (Gunjō ni Sairen)
Genre	Sports
Manga
Written by	Mikan Momokuri
Published by	Shueisha
Imprint	Margaret Comics You (vol. 1–9) Margaret Comics Jump Plus (vol. 10–12)
Magazine	You (2015–2018) Shōnen Jump+ (2019–2020)
Original run	July 15, 2015 – August 3, 2020
Volumes	12

Publication

Written and illustrated by Mikan Momokuri, Gunjō ni Siren was serialized in serialized in Shueisha's jjosei manga magazine You from July 15, 2015,^[1][2] to October 15, 2018, until the magazine ceased its publication.^[3][4] It was later serialized on Shueisha's online platform Shōnen Jump+ from February 2, 2019,^[5] to August 3, 2020.^[6] Shueisha collected its chapters in 12 tankōbon volumes, released from November 25, 2020,^[7] to October 2, 2020.^[8]

Volumes

No.	Japanese release date	Japanese ISBN
1	November 25, 2015[9]	978-4-08-845492-4
2	March 25, 2016[10]	978-4-08-845549-5
3	July 25, 2016[11]	978-4-08-845617-1
4	January 25, 2017[12]	978-4-08-845713-0
5	April 25, 2017[13]	978-4-08-845756-7
6	October 25, 2017[14]	978-4-08-845848-9
7	March 23, 2018[15]	978-4-08-844016-3
8	July 25, 2018[16]	978-4-08-844074-3
9	November 22, 2018[17]	978-4-08-844130-6
10	August 2, 2019[18]	978-4-08-844229-7
11	March 4, 2020[19]	978-4-08-844335-5
12	October 2, 2020[20]	978-4-08-844395-9

Reception

The series ranked third on AnimeJapan's "Most Wanted Anime Adaptation" poll in 2019.^[21]