Well its for the best for everyone to not hold on. I believe Konrads mission is to end it so they both arent suffering and so the world would either. Its unfortunate for Jerome but its the endgame because its to end his suffering, he wouldn't be able to adjust to life nor control himself without solely relying on Konrad and hurting them both more
the poison in him was already killing him, he was just suffering. its the best that he died even if its really sad
the Author actually explained why he is better to die and i mean he is in love with k he would be heartbroken if he sow him with Fabian
i love and adore fabian and konrad but you guys better not kill jerome for real because what do you mean he suffered from every fucking thing in the storyline and gets killed for everyone else in the end like wtf