A couple was arrested for killing their 4-year-old second daughter and her 40-year-old sister by ingesting harmful chemicals, and the couple sold an apartment that the husband's father had purchased without permission, causing problems between relatives. This was revealed through interviews with people involved in the investigation.

In response to these problems, her sister joined her father's company and became responsible for her accounting, and the Metropolitan Police Department is investigating what happened at the time.


Company executive Kenichi Hosoya (43) and


his wife Shiho Hosoya (37)

from Taito Ward, Tokyo


murdered their second daughter Miki (4) by forcing her to ingest the harmful chemical ``ethylene glycol.'' Arrested on suspicion of killing


Kenichi's older sister, Minako Hosoya (41), six years ago in 2018, he was re-arrested on the 6th for murdering Kenichi's older sister Minako Hosoya (41) by ingesting the same substance.



According to the investigation so far, Kenichi was working as an employee at a company run by his father in 2018, but his father criticized him for how he used his expenses and left the company. We know that there was.



A subsequent investigation revealed through interviews with investigators and others that the suspects had sold the condominium that his father had purchased without permission, causing problems between relatives.



In response to these financial problems, Minako joined the company and was put in charge of her accounting, but she suddenly passed away and Kenichi took over her company from her father.



The Metropolitan Police Department is investigating Minako's history at the time, believing that she may have been in trouble with him over management rights to the company.



In response to the investigation,


suspect Kenichi stated, ``I can't talk right now,'' and


suspect Shiho is keeping silent.