"Medaka Aquarium Breeder" is a free, leave-it-and-forget game about raising killifish. Become a medaka breeder, manage your aquarium, and take care of your medaka. This game offers a fascinating experience that is both healing and fun at the same time.

How to play?
- Control the water temperature and quality of the aquarium and feed the killifish. The killifish will grow on its own while left unattended.
- It is enough to feed them at least once every three days! Even cleaning the tank can be done in an instant!
- Sell the killifish you grow to earn money to purchase aquarium equipment and layout materials to customize your aquarium!
- Create new species of killifish from couplings! Create your own underwater world by combining a wide variety of killifish and layout materials to transform your aquarium into an attractive place.
- You can quickly learn how to raise killifish by looking at the tips that appear in the game. You can also review the tips at any time.

Features:
- You can enjoy the game in your busy daily life, even if you only have 5 minutes a day to spare.
- It can be played offline and is a popular leave-it-all game.
- There is a full range of healing elements that allow you to spend relaxing time surrounded by attractive music and the sound of water.
- As a challenging element, there is the ability to create new species of killifish through coupling and an illustrated book function.

In fact, only a small portion of medaka can be purchased at the in-game store. Learn how to raise killifish with tips and tricks, and find all the new species of killifish to complete the picture book.

The sight of killifish swimming in a beautiful aquarium will help you calm your mind and relieve stress. Download the game and spend a relaxing time with these unique killifish!

~Recommended for people like this! ～
- People who are tired of their busy lives and want to have a fun time.
- People who are tired of their busy lives and are looking for a game that is fun and has healing elements.
- People who want to play games to take care of their pets, but don't want to play games that are tedious and time-consuming!
- I want to play a game where I can mix monsters, but I can't help but complete all of them!
- I always listen to healing music or the sound of water when I study or work.