Itsuka Kamisama Datta Hi. - Ryuujin-sama no Sennen no Dekiai

Mizusumi, who has no place to belong at home or at work, and has lost her best friend, who was his only emotional support. The heartbroken Misumi tried to commit suicide by jumping into the water flower river she had always watched. Misumi thought that she would lose her life, but with the help of Sui, the god of rivers, she decided to go to Takamanohara, the land of the gods. Misumi gradually tries to live a positive life through warm exchanges in Takamanohara. However, Misumi seems to have some circumstances regarding Takamanohara that she herself doesn't even know...!?