The drama also has 3 female leads as friends and supporting each other. It also explores the love relationship of each leads.

In both dramas, both main characters are unconventional/ controversial detectives who are involved in solving the deep secret within the police force. In both setting the organisations were involved in dark and unspeakable project that cost many lives and ending up affecting the lives of the main leads.

This drama revolves on a family business that cares for people after death as well. It also tell the stories of the those who have left the world and finding out the truth of their last words. It shows how each death is respected and treated and The drama also bring awareness how the business continues to be a much unappreciated business in the Asian society where there is constant discrimination.

Both dramas has lead who are faced with an illness. The drama revolves how they cope with their illness and live with it. An inspirational journey.

This is another drama that introduces on the japanese traditional arts and at the same time carefully weaving the various character's life story into it as well.

Both dramas male leads are house keepers. Your house helper's the male lead goes around helping the different households through different issues as he cleans up their houses. The drama also has slightly more romance element in it.

Also starring Eikura Nana. N no Tame ni is a story on the journey to seek the truth of a murder case that happened 10 years ago with each of the party involved holding on to their own dark secrets.

This drama also revolves around the relationships between the people living in the same building. Each having their own difficulties and secrets and how they find support in each other eventually.

Dai renai touches on the Alzheimer's Disease topic as well though it explores more on the young onset reality

Both dramas are also on forensics and dealing with issues after death. Ishihara Satomi also starred in Voice.

Both dramas are about how the main characters overcame their adversities through life when everyone else had no faith in them. The relationships that helped them through difficulties and how the people around them provided unwavering support to them. The main theme of hope and finding passion in what you do.

Both dramas touch on gender identity issues. What is the line between males and females. IS is a more light-hearted drama where it addresses on coping with daily life.