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...

"I'll let you meet Shiro. I promise!" Jin the cat promised Mugi, who was grieving over the loss of his beloved dog Shiro. Jin loves Mugi very much, and after hearing the story of the Rainbow Bridge from his owner Kageyama, he decided to let Mugi meet Shiro at the end of the rainbow! Will Jin be able to save Mugi from her sadness? He invites the pigeons and squirrels from the neighborhood, and now Jin's big plan begins! (Source: Official site, translated)

Part two of the spin-off of featuring Sakurako and her sisters.