A player(Yuna) wakes up on the beach of a solitary island.
The purpose of a player is to escape from this island and to come back alive.
The HP(Life) and O2(oxygen) of a player are shown to the right by the bar.
Yuna will be downed if HP becomes empty.(Game Over)
Please always take care of HP.
HP can be cured at an inn or medicine.
Yuna can dive underwater at specific places (a well, a lake, etc.).
In the water, it becomes a side view action.
And, please always take care of O2(oxygen) gauge.
If O2 becomes empty, HP will decrease.
Yuna's action time is restricted very much in the water.
This game is the action RPG.
If an enemy is defeated, Yuna's experience point(EXP) will increase.
EXP required for level-up is shown in "NEXT" at the upper right of a screen.
When her level goes up, the max-HP, max-O2 and offensive power increases.
Please collect the gold which an enemy drops.
Gold can be used in an inn or a store.
Yuna does not have a weapon in the beginning of a game.
Please escape anyhow until you find weapon.
(Although Yuna can also be fought empty-handed, it is very powerless.)
You will find a house during an adventure.
A red roof is an inn.
A blue roof is a store.
A yellow roof is a private house.
Please play a game, using those institutions effectively.
Her name is Yuna Shiosaki.