I been rushing through this, but nothing interesting has happened. I really dislike the "love at first sight, eternal simp" harems. Harems are hard enough to make remotely compelling, but in cases like these there is just 0 effort. It absolutely kills the agency of the characters. They're brainless, worthless fodder without a will of their own. The mc is just OP isekai mc #1045. They could have had a compelling route for him if they made him a ruthless battle junkie to fit his role as a berserker, but hes as generic as they come with no compelling motivation or goal while the story just happens around him and takes him along for the ride.