He Won't Kill, She Won't Die (2019)
Watch movieAlso Known As: 殺さない彼と死なない彼女 , Korosanai Kare to Shinanai Kanojo , The Boyfriend Who Can't Kill and the Girlfriend Who Won't Die
The drama revolves around the relationship between Rei Kosaka (a tsundere guy who easily gets worked up and who always says, "Just die already") and Nana Shikano (a girl who habitually cuts her wrists and who always says, "I want to die.")