Series

When One Day I Will Sleep

★ 5.1(4)201926m1 season

When One Day I Will Sleep isn't available to stream, rent or buy in South Korea right now. Availability changes often, so check back soon. Availability checked 25 June 2026.

Where to watch When One Day I Will Sleep

🇰🇷 South Korea

No streaming, rental or purchase options are listed in South Korea right now. Availability changes often — try switching your region in the header.

Streaming in other regions

🇦🇩 AD🇦🇱 AL🇧🇦 BA🇮🇱 IL🇯🇵 JP🇲🇰 MK🇲🇹 MT🇷🇸 RS🇸🇮 SI

Good to know

Release date: 2019-03-12
Runtime: 26m
Language: Japanese
Seasons: 1
Episodes: 6
Network: FOD
Status: Ended
Country: Japan

About When One Day I Will Sleep

When One Day I Will Sleep is a 2019 web series in the Drama genre, starring Karen Otomo, Yuta Koseki and Shouma Kai. It spans 1 season and 6 episodes, and originally aired on FOD. It holds an average rating of 5.1/10 from 4 viewers. Below you can see where to watch When One Day I Will Sleep in South Korea — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

Morino Hotaru is a second year high school student who has had an unrequited crush on Otaka Ren since junior high school. One day, while on a school trip with Ren and her good friend Yamamoto Shiori, their bus gets into an accident. When Hotaru wakes up, a young man who is dressed fully in black appears in front of her. He is Kuro, a grim reaper.

Seasons (1)

Season 16 eps · 2019

Cast

Karen Otomo

Hotaru Morino

Yuta Koseki

Kuro

Shouma Kai

Otaka Ren

Kou Maehara

Kakugari

Mew Azama

Nakayama Makiko

Themes & keywords

based on novel or bookromanceunrequited lovegrim reaperdeathghostaccident

Frequently asked questions

Where can I watch When One Day I Will Sleep in South Korea?+

When One Day I Will Sleep is not currently listed on any streaming, rental or purchase service in South Korea. Availability changes often, so check back or switch your region.

Is When One Day I Will Sleep on Netflix?+

When One Day I Will Sleep is not on Netflix in South Korea right now.

How many seasons of When One Day I Will Sleep are there?+

When One Day I Will Sleep has 1 season and 6 episodes in total.

Who stars in When One Day I Will Sleep?+

When One Day I Will Sleep stars Karen Otomo, Yuta Koseki, Shouma Kai, Kou Maehara and Mew Azama.

When did When One Day I Will Sleep come out?+

When One Day I Will Sleep is a 2019 web series.

What genre is When One Day I Will Sleep?+

When One Day I Will Sleep is Drama series.