Responses
Umm, when you mention isekai and psychological, I am Not That Kind of Talent comes to mind, so if you haven't yet, you may want to try it.
https://www.mangago.me/read-manga/i_m_not_that_kind_of_talent/

does anyone have good non stereotypical isekai recs with good handling of psychology as well? Doesn't matter if it's bg, bl, gl, or non-rom as long as it doesn't have a badly executed harem plot