Manga that you whould consider unique and good?

This a manhwa buuuuut Rainbow city :3

https://www.mangago.zone/read-manga/immortal_rain/

https://www.mangago.zone/read-manga/our_not_so_lonely_planet_travel_guide/

They are travelling all around the world it show food and place on each country while one of them trying to wait for another person to be free on their worry

Manga:
Kimi no yoru ni fureru

Manhwa:
The beast must die
When the killer falls in love

https://www.mangago.zone/read-manga/mystery_to_iunakare/

Love sick dog