It's about a model student called Light who finds the deathnote and decides to kill criminals in order to make a new world where he reigns as god. He then takes on the persona of kira who is then investigated by the Japanese police dept with the assistance of the greatest detective in the world L.
It's really good as I am currently watching it and I would recommend it to you if you like mysteries and thrillers.
@Caleath12 I know I completely forgot what an isekai was (I am new to the concept) before I knew about shonen, harem and slice of life concepts
And it's not an isekai
Wait no that was 2018 wasn't it
DARLING in the FRANXX
The type of character who is an bit of a strange outsider who is quite loveable and cute I and is then slowly accepted into the group. But then at the same time they have a monster like and badass side. Eg: Zero Two, Naruto Uzumaki and Ken Kaneki.