Watashi no Otto wa Reitouko ni Nemutte Iru (2021)

One day, Nana, who has always wanted to get married, has a fateful encounter. Unfortunatey, she had to endured violence since the marriage, so she decied to kill her husband and put his corpse in a freezer, but things aren't always like one want as she finds out when he comes back... ~~ Adapted from a manga of the same name.