>>1786566
Hakuoki is a behemoth of a vn, but if the setting seems up your alley, then give it a try.
If you like regressions, Even if Tempest is not a bad one to start with, it's on a slightly shorter side of popular otome.
You can just sort vndb otome game tag by most popular and click around on the ones you like to check if the summary interests you at all: https://vndb.org/g542?m=0&l=&f=&s=24y