Sleepy Futanari's Sperm-Milking Dungeon Rescue Chronicle

The reincarnated man and the heroine venture together through a dangerous dungeon and face numerous enemies. However, a pleasure trap awaits them on their journey. As they repeatedly engage in battle and dusky copulation, they gradually become addicted to the pleasures and take the path of depravity, becoming pregnant at every adventure…. With each dungeon, she becomes stronger, but at the same time, she falls into the depths of pleasure….

In The Rescue of Mermaids, you play Garry, a rare human-looking creature who can become into octopus when aroused (eromorph). Garry has three mermaid companions accompanying him on his journey to find a new planet to call home, but when they finally find an ideal planet, the mermaids end up being kidnapped. Now he needs to figure out how to rescue them and ensure peace and security for his lineage.

Both the story and the gameplay have leveled up a lot since the previous game "Iris Action"!

One day, a suspicious drug that became popular among students from the black market...
It's called "Futanari medicine."
This story takes place in Kivotus in this medicine and among the girls.
 
In vol.1 Satsuki x Gehenna mob (Futanari), Asna x Bani mob (Futanari), and Hanako x Koharu (Futanari) appear.
Each one is included in two videos.
Only one side is Futanari.

It's a time when a faster-than-light substance has been discovered and humanity has migrated to Mars.
Suddenly, one day, an organisation lost contact with the centre.
They also found many unidentified life forms and tentacles wandering around the roadside.
Newcomer "Sasha" is a member of the Masta Zones (like a cosmic police force).
With the help of "Nabiko", she goes alone to the organisation to investigate...