PuriMayu

This game is an auto chess type defense game.

Use the drag-and-drop method when changing composition or placing characters in combat.

You can get gold and characters as a battle reward, and characters can be upgraded up to 10 levels.
Double-click the character on the Organization screen to move to the upgrade screen.
When the upgrade level reaches 10, mana recovery rate increases permanently (per character)

The game currently has 30 stages,
If you download and play the android apk on google play, your current record will be saved in your internal storage.

The game is a free Unity 2D game(Solo-developed), and it's completely offline.

Here is a list of free Unity assets used.

SPUM
https://assetstore.unity.com/packages/2d/characters/pixel-units-spum-bundle-pack-basic-192104

DEVNIK 2D
https://assetstore.unity.com/packages/2d/gui/pixel-art-ui-essentials-329983

Cainos
https://assetstore.unity.com/packages/2d/environments/pixel-art-top-down-basic-187605

Undead Survivor
https://assetstore.unity.com/packages/2d/undead-survivor-assets-pack-238068