Responses
https://www.mangago.zone/read-manga/on_the_way_to_meet_mom/
Completed
https://www.mangago.zone/read-manga/worldend_debugger/
https://www.mangago.zone/read-manga/kami_to_yobareta_kyuuketsuki/
https://www.mangago.zone/read-manga/phantom_busters/
Ngl its neither historical/sci-fi but it doesn't have romance
Recommend me a Manhua (no Manhwa or Manga) with historical/sci-fi theme and martial arts elements
Doesn't need romance