![](https://i.mydramalist.com/826d2t.jpg)
![](https://i.mydramalist.com/g0JEvt.jpg)
both protagonists of the drama manage to go back in time and give love advice to their young selves.
![](https://i.mydramalist.com/826d2t.jpg)
![](https://i.mydramalist.com/Z00P8t.jpg)
both the protagonists of the drama manage to go back in time and give love advice to their teenagers themselves
![](https://i.mydramalist.com/826d2t.jpg)
![](https://i.mydramalist.com/qYVNQt.jpg)
both male protagonists manage to go back in time to win their first love----------------------------------------
![](https://i.mydramalist.com/826d2t.jpg)
![](https://i.mydramalist.com/l0ENJt.jpg)
both male protagonists manage to go back in time to win their first love----------------------------------------
![](https://i.mydramalist.com/Z00P8t.jpg)
![](https://i.mydramalist.com/g0JEvt.jpg)
both female protagonists manage to go back in time to be able to give directions to themselves as teenagers
![](https://i.mydramalist.com/l0RLLt.jpg)
![](https://i.mydramalist.com/enylet.jpg)
Entrambi i drama, sia il live action giapponese che il live action coreano, sono tratti dal medesimo manga
![](https://i.mydramalist.com/B0xvlt.jpg)
![](https://i.mydramalist.com/Q0VyWt.jpg)
Entrambi i protagonisti sono interpretati dallo stesso attore. Entrambe le protagoniste invece soffrono di una malattia.
![](https://i.mydramalist.com/qYVNQt.jpg)
![](https://i.mydramalist.com/l0ENJt.jpg)
Operation Proposal è il remake coreano del drama giapponese Proposal Daisakusen. Nonostante la storia di base sia la stessa, i due drama differiscono in molti punti.
![](https://i.mydramalist.com/kq4Yj_4t.jpg)
![](https://i.mydramalist.com/9p24yt.jpg)
In entrambi si incontrano due persone completamente diverse fra loro: un ragazzo spendaccione che vive alla giornata e una donna che programma qualsiasi spesa.
![](https://i.mydramalist.com/60gAOt.jpg)
![](https://i.mydramalist.com/Z7XXkt.jpg)
Sia il film No Breathing sia il drama Dansui! hanno confermato come argomento principale il nuoto---
![](https://i.mydramalist.com/V4Zezt.jpg)
![](https://i.mydramalist.com/jl4pyt.jpg)
Entrambi i film live action sono tratti dallo stesso manga giapponese L??DK------------------------------------
![](https://i.mydramalist.com/gJqvdt.jpg)
![](https://i.mydramalist.com/anAPQt.jpg)
Sia il drama giapponese che il film coreano sono tratti dallo stesso manga giapponese Kimi Wa Petto.