So got to the end of the content, had to take a few tries simply because this game is so buggy. Save often.
While I like the concept of the game, it needs a ton of work. Bugs are everywhere, and required alot of saving and loading. Writing is kinda iffy, everything needs to be looked at. Most of the characters in the castle say nothing, except the guards who say "Sir!". I think I got to Level 5 for the MC, and didn't get any sort of skill which is kinda annoying. Sometimes certain cut scenes won't load, such as the massage scene.
As for the character's themselves, I love the mom, big sister and healer. The red head would also be perfect, but the eyebrows throw me off. Also sometimes it appears more purple than red. The little sister looks too much like a loli to me, keep her flat chested if people like that, but change her face so she does not look like she just turned 13.
Overall, I'll keep a eye on this game, but I'll give it a few updates to hopefully clean up the bugs and flesh it out a little bit.