An incredibly refreshing manga about fantasy worlds, reincarnation, and romance. Takes a decent amount of tropes and puts enough of a spin on them to make the entire thing something great.
The sheer amount of love, yet complex feelings, between the main characters is nice, if maybe too transparent between them for people who love drama. They communicate and read each other as if they knew each other for a long time, but it is their joint belief in the other, as unknown as they are to the other, that makes them work through everything refreshingly fast and cleanly.
And the setting, while very slowly detailed (we get a general description of it near the beginning, but as the series goes on we get more glimpses into everything else), feels wonderfully utilized.
The one big downside is that the app it is in might not be the best one could ask for, but it is one of the few works in it that has an amazing translation work put into it. It is worthy of the pain in the ass that app is, at least for me.