Recommend Guideverse BL/Straight

The s class guide as sweet as honey
B class guide
Until morning light
Ordinary person A
Senza Replica
D:aze (not exactly a guide story but a agency who defeats vampires)
(All BL)

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

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

https://www.mangago.zone/read-manga/dear_00/

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

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

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

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

Straight manhwa:
https://www.mangago.zone/read-manga/how_to_reject_my_obsessive_ex_husband/

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

This is relatively new

.