if anyone remembered there were actually more raws than this , you probably read the twitter version :
vol 1 : https://twitter.com/i/events/827816914197966848
vol 2 : https://twitter.com/i/events/859085172821577728
vol 3 : https://twitter.com/i/events/890163713524637696
vol 4 : https://twitter.com/i/events/926390115403931648
the mangaka just re-draws , upgrades , and adds more plots to the twitter version , and releases it as the tankoubon version .