
If i remember i think i have seen something very similiar to this, dont remember which manga it is but the only difference being that if theres a scar appear on ur soulmate, it will appear on that person too. I think the persons soulmate was suicidal/going through hard times and marks always appear on the other persons arm that he cant wear short sleeved clothes
The story was already good enough but the shitty side story had to ruin it ugh