Responses
Uhhh.. spoiler
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You probably wont like to hear this, but from what I've seen in the raws, he literally just wrote his home address on Heonjae's hand, so that he has a place to stay and can take care of his siblings for him till he's released. So he literally just entrusted his family to him.

(Sorry this is kinda long)
I said I’d drop this, but I can’t stop thinking about Jingi, and Jingi/Myeong-il. Especially because it was kinda obvious Jingi liked Myeong-il way before Heonjae’s weird ass did.
He only denied it when Heonjae asked because he clearly hadn’t expected to grow feelings for Myeong-il, Heonjae’s selfish ass literally snatched Myeong-il right from under Jingi and then had the nerve to get mad when he realized Jingi liked Myeong-il from that tattoo on his neck.
On top of that, if I were Myeong-il I wouldn’t have wanted Heonjae's unhinged, aggressive self to be at my house with my family who I supposedly love so much. At least Jingi kept reassuring him that his family would be safe, whereas Heonjae was not helpful in the slightest.
I just really wished it was Jingi who was the one getting the better treatment, he really grew on me