I'm pretty sure he is. He even said so a couple chapters ago in his internal monologe that he need to do and say whatever to gain alexei's trust so he can't get tf out. (=・ω・=)
This is genuinely my favourite chapter.. taeju became a gem i swear he's just the best now IF I EVER SEE THE ANTIS SHIT TALKING ABT HIM IMMA BECOME AN ALPHAA GRJEAAAA
He's so fucking dumb YOUR DIGNITY IS WHEERE? oh my god