Watashi no Otto wa Reitouko ni Nemutte Iru

Kisaragi Nana, who lived quietly in a suburban house while earning a living at an online shop that handles imported furniture and miscellaneous goods, lives with her fiancé, Sato Ryo. However, Ryo suddenly changes and becomes violent. Afterwards, she strangles Ryo. She hides the corpse in an old freezer in the storeroom, and her free life would soon begin, however...
(Source: MangaDex; MDL)
~~ Adapted from the manga "Watashi no Otto wa Reitouko ni Nemutte Iru" (私の夫は冷凍庫に眠っている) by Yazuki Misaki (八月美咲).