Based on the romance manga "Koiko no Mainichi " by George Akiyama, serialized in Weekly Manga Goraku. In a story that flits between serious drama and comedic farce, Shinjuku gangster Sabu and his young wife Koiko try to live a normal life, despite the interferences of gang politics and criminal deals. After she saves his life, Sabu's gang-boss, Tominaga, falls in love with Koiko, and sends Sabu into increasingly more dangerous situations, hoping to cause his arrest, and thus obligate himself to "take care" of Koiko while Sabu is in prison.

The villain Ling Chen has a history of hate and violence with the hero, Ye Zimu. Out of nowhere, a reset triggered Ling Chen to return to when he was 17 years old! He has a chance to stop the hero in his path, before Ye Zimu grows to become his worst enemy...

As a young boy, Xu-Xian is forced to free his pet, a small snake. Unbeknownst to him, the snake is actually a young snake goddess named Bai-Niang and she is in love with him. Many years later, when they are both adults, the princess is magically transformed into a human and sets out to find her love. But the local wizard believes her to be a vampire, and banishes Xu-Xian from the village in order to save him. Xu-Xian's pet pandas Panda and Mimi set out to save him and bring him, in the process becoming leaders of an animal gang.

This is the story about how Dubus, Lafiel's father, and Plakia after an adventure on a mysterious, abandoned spaceship decided to have a daughter together and why Dubus gave her the name Lafiel.