Laura and Lunaroa, friends from the remote village of Hatayaki, promised to marry in Yuriscene, a country allowing same-sex marriage. Reunited after five years, they embarked on a challenging journey to Yuriscene, overcoming numerous obstacles to fulfill their promise.

One day, two adventurers challenge a newly born dungeon. They are the protagonist and Nao. It is a dangerous and unknown dungeon. Along the way, Nao is attacked by a monster and falls into a special abnormal state. Treat the heroine Nao, who is afflicted with various abnormal states, in erotic ways!

The young girl Rayne, who became the sacred knight of the kingdom, was entrusted by Jas, the leader of the sacred knights and her lover, to investigate the disturbances occurring in a distant town named "Hakudeti".

One day, Shoichi heard the call from a mysterious goddess. "Please come and take down the devil!" Although it sounds like a template, he still came to the "demon world". After meeting the two princesses and the king, he was made to make an "ultimate choice", and the legend of this young man began.

A fresh graduate of the military academy, Lecia has just joined the ranks and received her first posting. She is to head to Kreist Fortress, a remote outpost far from the capital Central. However, what awaits her is the Lost Fortress fallen into disrepute at the hands of her new commander.

The twin sisters Tear and Lumiere enjoy a happy life running their clinic. But when a demon abducts her sister, Tear must summon her courage to venture through worlds within magical tomes to bring her sister home safe.