if that's what you're worried about then you don't need to.ido already killed himself. he did it after sejin. that was in their first life.
Yahh i remeber that but last chap they say sejin want to end their bond and ido's sulution is to kill himself
Spoiler
In the novel, Ido intends to kill himself again
Σ(っ°Д °;)っ bitch why??!!!! How you gonna do me like that?! I will not allow this to pass!
Everyone said ido wil kill him self in the pass episode and now im worried i think he will do