Tomorrow is also based on the webtoon of the same name .

A beautiful story of finding and loving yourself. It is a story of 3 grim reapers who try and help people who are suicidal. They seek out people who are suffering mentally but are unable to get help . In the process each of the 3 grim reapers also resolve their own inner conflicts and problems.

It does great job of shedding light on the topic of mental health.

https://www.webtoons.com/en/drama/tomorrow/list?title_no=3913