I was thinking this manga was a 6/10 prior to this chapter. The story was generic, nor did I like the implications of being in a dungeon that completely froze time outside; that ruins the transition back to the world to be either completely jarring to the people he knew, or to the audience. But the characters were nice enough, and the sketchy art style grew on me.
I haven't read ahead of this chapter, but I can say that they took jarring the audience to a whole nother level. The art style is more polished, but also poopoo. Dropped it down to like a 3/10, possibly gonna decrease as we see the actual aftereffects of his time in the dungeon to the rest of the world.