This is an R18 card game that blends roguelike mechanics with romance simulation. You’ll embark on an adventure with four unique heroines—conquering both battles and their hearts. Mix and match card combinations freely, build the ultimate deck, and become the ultimate big dick!

Mature Content Description
The developers describe the content like this:

All characters depicted are over the age of 20.
Content Warning!
This game contains: Fantasy Violence, Sex Acts, Bondage, Exhibitionism, Anal Sex, Footjobs, Paizuri, Blowjobs, Use of Sex Toys, Non-consensual Sex, Bondage, Alcohol Abuse

About This Game
Mysterious anomalies are appearing in the modern world. You are an ordinary young man who accidentally obtains a magical card that opens the gateway to another world, beginning a journey across time and space. In a realm filled with magic and peril, you’ll meet four heroines, each with distinct personalities. Together, you’ll uncover the truth behind the looming catastrophe— and ultimately decide who will spend the rest of their life by your side. This is a fantasy isekai adventure where romance, strategy, and poker mechanics collide. Can you become a true Big dick?

Interactive CG Events

Character Introduction
🧪 Researcher｜Irene Lewis



🧙‍♀️ Mage｜Lisel Elvy



🐶 Beastkin｜Koya



🌿 Elf｜Freya



Play big dick in Isekai
Over 100 cards to build your unique deck and unleash unbelievable comeback combos!



Game Features
Fully Japanese-voiced heroines

Interactive CG scenes

Addictive Card + Roguelike mechanics