Seishin Irekawari - Hitozuma to Kuro Gyaru no Seishin ga Irekawatta Hi

While at the shopping mall one day, Yurie
slipped and fell down the stairs, crashing into a girl named Mizuki.
They both lost consciousness.
Mizuki's friend Megu called an ambulance.

At the hospital, they each awoke with a startle in the other's body.
Their souls had swapped! But nobody would ever believe them.
Yurie the dutiful wife, Mizuki the trashy teenage slut...
Today was the beginning of a day unlike any they'd ever experienced before.

Can Yurie get herself back in her own body...?

[From DLSite English]