I remember importing this from Japan ages ago and using a guide to try and 100% it, and failing at least 5 times because of some weird RNG. It's a weird mix of RPG, Visual Novel and Tactics. The story is over the top. For those used to the Rance series it's not unusual, with beloved characters returning and new ones being introduced. Transforming historical Japanese warlords into anime girls with their own tropes is a fun hook (if you like the idea then Eiyuu Senki is for you). The H scenes are standard Rance fare, mostly vanilla with a LOT of dialogue. I dare say it was ahead of it's time when it came out, these days a lot of mobile games ripped off the whole aesthetic and the tactical/map painting with waifu collecting gameplay. Overall it's not for everyone, but if you like Hentai Strategic RPGs, then don't miss out on this gem.