The daughter of King Montogorian III lived in Zefisu kingdom,
Selphie was rarely allowed to go outside of the castle.

In a reaction to be raised as an overprotective princess, she had focused on training to become stronger everyday.
She believed that if she gets stronger, she will be able to battle alone.
Every day she believed in that idea that, she kept practicing with other soldiers.

She had been told that once she reached 20-year-old, she would be able to escape the castle.
However, Selphie's heard about "battle princess tournament "during her walk within the castle.

At that time, Selphie thought I must be the strongest princess knight.
Who has put in soo much effort until now. She believed she has trained the hardest among all...

Selphie could not hold herself and, raced out of the castle.
However, she had no clue how her body will follow the terrible fate.

** Armor Break system

When a character received an attack, princess knight's outfit will slip off.
Big tits will be revealed, and voluptuous body will appear.

** Arena system
Selphie will go to the coliseum to find strong opponents.
The arena has some terrible immoral rules.

** Sex scene

80% are interspecies sex. Sex scene adopts some animations.
Princess knight's body will be teased by unintelligent monsters and giants like a toy.
Being shoved in, accept their seed within your vagina.

5 characters will join as princess knight's friend.
Princess knights will fight against sneaky trap by Solving mysteries, and the arena.