@ragna21 I hope I did.
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Why do you think chapter 10.1 is the end of volume 1 if volume 1 is just 162~ pages long? Just do the math.
I will just put my previous comment here:
The mangaka said it's because volume 1 sales weren't so good
Source:
https://twitter.com/hujiya/status/1327121873780559872
https://twitter.com/ulbDZJdiOrS1Jn4/status/1331077743178436608