Responses
Taming the Tiger?
https://www.mangago.zone/read-manga/the_art_of_taming_a_tiger/
Taming the Tiger?
https://www.mangago.zone/read-manga/the_art_of_taming_a_tiger/
If I remember correctly, it's about two boys who are tied to each other. If the other person gets hurt, the other person suffers. Unfortunately I don't know any more... (=・ω・=)