![](https://i.mydramalist.com/x4K4VE_4t.jpg)
![](https://i.mydramalist.com/1oA1Kt.jpg)
The plot of Lovely Runner revolves around preventing Sunjae's death by time travelling. Similarly, the plot of Somehow 18 revolves around preventing Na Bi's suicide by time travelling.
![](https://i.mydramalist.com/60eqEO_4t.jpg)
![](https://i.mydramalist.com/x1JYw_4t.jpg)
Blue Birthday (2023) is inspired by the Korean Drama that goes by the same name, Blue Birthday (2021)