When I Get Home, My Wife Always Pretends to Be Dead

In his third year of marriage, Jun works at an office and lives with his wife Chie. One day, Jun comes home from work to find Chie collapsed and bleeding in the entryway. He rushes to her aid, but it turns out that Chie is just pretending to be dead. After that, Chie pretends to be dead on a daily basis.
(Source: JFDB)