OLDK (2004)

In 2004, in a rundown apartment on the corner of Tokyo lives Keiko, in Room 102. Keiko is an exhausted office lady who hasn’t been involved in any interpersonal relations. The bad environment of the apartment building she lives in has worn her down mentally and physically. From the room on the right, a man and a woman can be heard snoring loudly day and night, and from the room on theleft, death metals with explosion sounds is played loudly, causing Keiko sleepless nights. Keiko, who has reached her limits, decides to commit suicide in the most bizarre way…
(Source: MyDramaList)