Publisher: Superhippo

Missions:
You are helping Professor Moriyama catch the mischievous “Eromon” spirits. Your aim is to assemble the best battle squad by using your girls to complete various quests.
You can get new girls, as well as funds (called ‘Cash’) to power up your girls, by playing and repeating quests. During quests, you can encounter new girls.

Experience Points:
You will earn Experience Points by completing quests. When you gain a certain amount of experience, your Character Level is increased along with Player Level.
When your Player Level increases, your stamina will also completely recover.

Eromon: 
There are 4 types of characters/ Eromon, each with a specific attribute: Ruby, Emerald, Topaz and Sapphire.
Similar to most games of this type, the characters have Levels, as well as Rarities that signify their strength.

Currency:
Cash is the currency of this world. You spend Cash when you upgrade your girls.
You earn Cash each time you finish a quest, or when you sell your girls.

Alchemy:
There are 4 types of Gems and, essentially, they are the resources used for alchemy.
Gems comes in 3 Rarities: ☆1, ☆2 and ☆3.
Rank 1 costs 1000 Cash per try;
Rank 2 costs 3000 Cash per try;
Rank 3 costs 5000 Cash per try, irrelevant of how many Gems are used.
The maximum for each Gem rank selection is 500 for each type. The minimum is 20 for rank 1, 30 for rank 2 and 50 for rank 3.
500 x Rank ☆1 Gems can be exchanged for 70 x Rank ☆2 Gems;
500 x Rank ☆2 Gems can be exchanged for 70 x Rank ☆3 Gems.

Stamina:
Taking part in a quest will decrease your stamina, but you will obtain Experience Points and Cash.

Combat team:
You can have 3 characters in the front that can attack, 3 characters in the back that are protected from attacks, and 2 back-up characters that will replace the defeated ones. You can also switch between the front and backline characters when needed.
Every character has an ability that can be used at the cost of MP. The MP is replenished after each attack performed during the fight.