The Grand Blue Good! Afternoon , arranged by volume and chapter number.
Volumes [ ]
Volumes
#
Release date
ISBN
Covers
1
November 7th, 2014
978-4-06-387990-2
Chapters list : Chapter 1 - Deep Blue
Chapter 2 - Welcoming Party
Chapter 3 - My Room
Chapter 4 - Underwater
2
December 5th, 2014
978-4-06-388018-2
Chapters list : Chapter 5 - New World
Chapter 6 - An Older Girl
Chapter 7 - Miss Izu Contest
Chapter 8 - Boycon
Extra 1 - Idiots, Test and Cheating
3
April 7th, 2015
978-4-06-388053-3
Chapters list : Chapter 9 - The Festival Afterparty
Chapter 10 - Mixer
Chapter 11 - First Buddy
Chapter 12 - Doubles
Extra 2 - A Normal Drinking Party
4
September 7th, 2015
978-4-06-388081-6
Chapters list : Chapter 13 - Drinking at Home
Chapter 14 - A Man's Cocktail
Chapter 15 - Shopping!
Chapter 16 - Okinawa Landing!
Chapter 17 - A Place Without Lies
5
February 5th, 2016
978-4-06-388115-8
Chapters list : Chapter 18 - It's a Misunderstanding
Chapter 19 - Test
Chapter 20 - Boat Diving
Chapter 21 - Otōri
Extra 3 - United
6
August 5th, 2016
978-4-06-388164-6
Chapters list : Chapter 22 - A Girl's Party
Chapter 23 - The Ticket Contest
Chapter 24 - First Time at the Women's University
Chapter 25 - At the Women's University Again
Extra 5 - The Letter
7
December 7th, 2016
978-4-06-388220-9
Chapters list : Chapter 26 - Watching the House
Chapter 27 - Little Sister
Chapter 28 - Big Brother
Extra 4 - Mahjong
8
April 7th, 2017
978-4-06-388249-0
Chapters list : Chapter 29 - The Impression Game
Chapter 30 - I'm Not Stripping, Okay?
Chapter 31 - Associate Professor
Chapter 32 - The Charpy Impact Test
Chapter 33 - School Camping For Adults
9
October 6th, 2017
978-4-06-388290-2
Chapters list : Chapter 34 - Coworkers
Chapter 35 - Liked by Otoya-kun
Chapter 36 - That's Who You Like?
Chapter 37 - Serious
10
March 7th, 2018
978-4-06-511096-6
Chapters list : Chapter 38 - Movie Date
Chapter 39 - Auction House
Chapter 40 - White Lab
Chapter 41 - Let's Go to the Uninhabited Island!
Extra 6 - Group Discussion
11
July 6th, 2018
978-4-06-511979-2
Chapters list : Chapter 42 - Let's Have A Blast on the Uninhabited Island!
Chapter 43 - Let's Survive on the Uninhabited Island!
Chapter 44 - Life Consultation
Chapter 45 - Now We're Even
Extra 7 - Café Pilgrimage
12
November 22nd, 2018
978-4-06-513447-4
Chapters list : Chapter 46 - Unfinished Business
Chapter 47 - Homecoming
Chapter 48 - Saving Private Passport
Chapter 49 - Hentai
Chapter 49.5 - To Palau
13
July 5th, 2019
978-4-06-516238-5
Chapters list : Chapter 50 - Reunion
Chapter 51 - The Seas of Palau
Chapter 52 - TV Special
Chapter 53 - Filming
Extra 8 - Lie Detector
14
November 22nd, 2019
978-4-06-517557-6
Chapters list : Chapter 54 - Wingman
Chapter 55 - Girl Talk
Chapter 56 - Fun Dive
Chapter 57 - Mom
Extra 9 - Truth or Dare Jenga
15
May 22nd, 2020
978-4-06-519480-5
Chapters list : Chapter 58 - Back to School
Chapter 59 - Mixer: Round Two
Chapter 60 - Chestnut Picking
Chapter 61 - Lottery
Extra 10 - The Art of Escape
16
November 20th, 2020
978-4-06-521417-6
Chapters list : Chapter 62 - War Council
Chapter 63 - Okinawa Relanding
Chapter 64 - Okinawa Relanding : Behind the Scenes
Chapter 65 - Day Two of Chaos
Extra 11 - Puppy
17
August 5th, 2021
978-4-06-524292-6
Chapters list : Chapter 66 - Sakurako's Journey
Chapter 67 - SHIT!
Chapter 68 - Mi Amor
Chapter 69 - Two to Return
18
March 7th, 2022
978-4-06-527041-7
Chapters list : Chapter 70 - Death Game
Chapter 71 - Bedtime Calisthenics
Chapter 72 - Sorrow - Round Two
Chapter 73 - Rebound Challenge
Extra 12 - Cafeteria 1
19
August 5th, 2022
978-4-06-528768-2
Chapters list : Chapter 74 - Hypnosis Crisis
Chapter 75 - Dress-Up
Chapter 76 - Wedding Reception
Chapter 77 - Catfight
Extra 14 - The Passion of Ichiro Yamamoto
20
April 6th, 2023
978-4-06-531329-9
Chapters list : Chapter 78 - Amusement Park
Chapter 79 - White Counseling Room
Chapter 80 - Advance!
Chapter 81 - Shark Scramble
Extra 15 - Hajime Nojima's Ordeal
21
October 5th, 2023
978-4-06-533089-0
Chapters list : Chapter 82 - A True Striker
Chapter 83 - Serving Herself Up
Chapter 84 - Reminiscence
Chapter 85 - Halloween
22
April 5th, 2024
978-4-06-535017-1
Chapters list : Chapter 86 - No Reaction Game
Chapter 87 - Wakeboarding!
Chapter 88 - Assassin
Chapter 89 - Sakurako Busujima
Extra 13 - Drunken Ping-Pong
23
October 7th, 2024
978-4-06-537098-8
Chapters list : Chapter 90 - Presentation
Chapter 91 - Inspection!
Chapter 92 - Izu Fall Festival!
Chapter 93 - Entry!
Chapter 94 - Answer
24
April 7th, 2025
978-4-06-538970-6
Chapters list : Chapter 95 - The Night Is Still Young
Chapter 96 - Collective Inteligence
Chapter 97 - Dressed for Success
Chapter 98 - Risk Factor
Extra 18 - The Passion of Yuu Mitarai
Chapters not yet in tankōbon format [ ] These chapters have yet to be published in a tankōbon volume:
Special Extra - Vamos!
Extra 16 - Special One-Shot
Extra 17 - The Passion of Kohei Imamura
Chapter 99 - Proposal
Chapter 100 - Anniversary!
Chapter 101 - Influencer
Extra 19 - Manners
Links [ ] 
