well no, gbf doesn't have lewds of course but
big fanbase = lots of hentai fanart as far as the eye can see
and they give free event SSRs (I'm still relatively new so idk if they actually give away free SSR characters everytime or not), I think the next event, which is a love live collab, will give the girls away as free SSRs
and there's just... a lot of things that are better in there in gameplay, like an SR summon/eido that's actually very useful (example would be a 50% light dmg cut at MLB, do we have something like that in kamihime? hell no we don't)
and there's an ongoing free x10 summon there where you can actually get SSR charas/summons for free and the rates aren't shit.... I have no idea how often they do this but its pretty nice
I could write a lot of things here but I'm too lazy to do it, and I'm still relatively new
tl;dr this game treats their players right