the most braindead thing is in the introduction, to explain that he is a potion user, and it's weak compared to adventurer jobs...
OF COURSE, IT'S NOT AN ADVENTURE JOB MORON.
for adventurer power is justice, then don't be an adventurer, be a merchant, here money is justice...
why his party took him in the first place ? i don't want to read it until i make sure that the author will never explain it, i know the pattern.
for me it's not more than a 4/10, maybe less. i cringed so hard at the end of the first chapter.
edit: I've really gone all out with this one, It genuinely made me mad lol.
to be fair i think i misunderstood one part, he is a "potion user", not a "potion maker", but i will not read it to know how it's supposed to be different.