Even Given the Worthless "Appraiser" Class, I'm Actually the Strongest 6

As the Spirit Sisters continue to be targeted by demons, Ein has no choice but to seek out and defeat their enemies. Once Krushu and May join the party, things get even livelier, and the sisters spend fun, peaceful days together. But only Yuri’s guardian Ursula looks gloomy… Can Ein save Ursula from the darkness in her own heart?!