How does the volume 1 -> volume 2 sales of neveland compare to jumps other break out hits like mha and bc?
I found it interesting so I compiled below. Based on what we're seeing below, it looks like it is probably comparable to BC Vol. 2 since PN is at 40K with only 2 days captured. PN 1 did 49K in it's first 9 days, so that was a pretty strong start (BC did not chart a second time, so its max 13 day total is <82Kish).
This is sort of fun, so I'll keep adding to this post for our referencing pleasure.
Shonen Jump First Week Volume Sales
My Hero Academia
MHA Vol. 1 First Charting (6 days) --> 71,575
MHA Vol. 2 First Charting (8 days total) --> 167,905, Second Charting (15 days total) --> 205,179
MHA Vol. 3 First Charting (2 days) --> 132,801, Second Charting (9 days total) --> 226,129
Black Clover
Black Clover Vol. 1 (4 days) --> 38,128
Black Clover Vol. 2 (6 days) --> 61,918
Black Clover Vol. 3 (2 days) --> 43,122, Second Charting (9 days total) --> 80,462
Black Clover Vol. 7 (4 days) --> 78,464
Food Wars: Shokugeki No Soma
Shokugeki No Soma Vol. 1 (4 days) --> 71,367
Shokugeki No Soma Vol. 2 (6 days) --> 134,842, Second Charting (13 days total) --> 176,682.
Shokugeki No Soma Vol. 3 (3 days) --> 108,389, Second Charting (10 days total) --> 201,072.
Assassination Classroom
Assassination Classroom Vol. 1 (3 days) --> 121,058, Second Charting (10 days total) --> 208,375.
Assassination Classroom Vol. 2 (3 days) --> 200,626, Second Charting (10 days total) --> 347,378
Assassination Classroom Vol. 3 (7 days) --> 327,856, Second Charting (14 days total) --> 453,678
The Promised Neverland
The Promised Neverland Vol. 1 (3 days) --> 24,380, Second Charting (10 days total) --> 49,785
The Promised Neverland Vol. 2 (2 days) --> 40,683, Second Charting (9 days total) --> 78,409
Kimetsu No Yaiba
Vol. 1 (3 days) --> Did not chart, <16,966.
Vol. 2 (4 days) --> 16,323 (lol)
Vol. 3 (6 days) --> 25,967
Yuragi-so no Yuna-san
Vol. 1 (3 days) --> 29,743
Vol. 2 (4 days) --> 64,527
Vol. 3 (6 days) --> 84,885, Second Charting (13 days total) --> 106,619
Haikyu!!
Vol. 1 (7 days) --> 31,428
Vol. 2 (3 days) --> 46,784, Second Charting (10 days total) --> 81,413.
Vol. 3 (4 days) --> 87,461, Second Charting (11 days total) --> 123,180
Nisekoi
Vol. 1 (5 days) --> 45,317
Vol. 2 (5 days) --> 73,216, Second charting (12 days total) --> 94,559
Vol. 3 (3 days) --> 66,177, Second Charting (10 days total) --> 110,478
Pile of Doom
Red Sprite --> Cancelled after 2 volumes
Vol. 1 (2 days) --> Did not chart, <24,114, Second Charting (9 days total) --> Did not chart, total sales <38K
Spring Weapon No. 1
Vol. 1 (2 days) --> Did not chart, <12,207, Second Charting (9 days total), Did not Chart (11,212)
Amalgam of Distortion
Vol. 1 (2 days) --> Did not chart, <12,207, Second Charting (9 days total), Did not Chart (11,212)