I'd say continue where the manga was last translated, and once you catch up go back to the earlier chapters.
Also I'd probably go for quality chapters.
"We don't eat sliimes anymore!"
>they say eating a pork bun shaped like Rimuru, wearing colorful masks shaped like Rimuru, as a goblin food vendor places down a bowl of summer jelly shaped like Rimuru while another prepares sweets shaped like Rimuru
I really hope this 'heroine' and the stupid villagers' get their comeuppance, and I'm saying this as one who normally condones unnecessary violence in manga or anime
"This marked the beginning of a new age"
Yeah, because we're finally nearly to the point a certain rabbit girl may or may not start making cameos now :V