Angel Emica - Fallen Angel and deserted land

Angel Emica is a survivor-like game, with an additional goal of protecting a tower in a fixed arena.
You play as Emica, trying to destroy a land infested with darkness, by activating 5 'bomb-tower'. The land is full of corrupted creatures. The only thought they have is to breed. Those creatures are weak, but if you get overpowered, your fate is detrimental.
(*All characters in this are age 18  or above. )

Game play
When you kill an enemy in the stage, it will drop a 'Tower charge'. You need to collect enough of them to activate the tower. Afterward, a boss will appear; defeat the boss to clear the stage. There are 5 stages to clear, each stage has slight differences.
Killing an enemy will automatically gain EXP. Gain enough EXP. will level up. You can pick 1 upgrade out of 4 options when you level up. If you have specific upgrades, you can fuse them into a more powerful upgrade in the level-up screen.
Sometimes the enemy will drop coins after death. Collect enough coins to buy upgrades in Rosi's shop back on the ship. You can buy new clothing, stat upgrades, or even gacha in her shop, which is crucial to finishing the game.

Adult content warning
This game contains sexual assault and violent sex. Emica will be 'assaulted' by those infested monsters when the player loses in a stage. The clothes she wear will make her end up in a different  'lost position'. Collect all the clothes to unlock all the events.

Post ending content
After seeing the Ending of Emica, it will unlock 'Gate crystal' and 'gacha-03' in the shop.  The 'Gate crystal' allows players to block some upgrades from appearing in the stage. It can also manage the 'Endless mode' in the second tab. The gate and crystal will turn purple when 'Endless mode' is on.