Play it on one go, at very late night, and it was worthy.
The Gameplay is a pretty basic beat´em up, the attacks can be fairly limited, the item and upgrade system (thankfully) doesn´t require too much grinding, the constant difficulty increase is fairly balanced (except for certain boss near the castle, dear lord!) but is still a bit annoying when trying to bring captured girls back to the base. (but there is a mid-game item that helps you with that anyway)
It kinda reminds me of Castle Crashers for some reason...
The Graphics are great, the battle animations are pretty smooth, the contrast between the characters colors and background colors is well done, the designs are pretty varied, all the capturable girls have their own unique animations, and the full sex animations are great.
I have to point out, if these were drawn frame by frame, then is pretty admirable.
The Soundtrack is good, nothing too special, but does it job well.
Sound effects and Voices are also done well enough.
The Story is simple but enjoyable, and helps you simpatize with the characters and makes the ending feel more satisfactory.
And talking about Characters, they are very charimastic and the small dialogues they randomly drop are pretty fun to read.
To be fair, even if you take out all the sexual content, it would still be a great game and funny to play as a simple beat´em up.
Honestly, i wasn´t sure to give it a full 5, because i feel there is still room for further improvement and even more content.
But when your game has no mayor flaw, and every aspect is done well enough, i think is totally fair to give it a 5/5 anyway.