no official news или announcement about that yet... but hopefully not though?! it wouldn't be the same without him especially during dance performances...
still don't know but some rumours сказал(-а) that han geng Остаться в живых in lawsuit and sm decide han geng to out from suju still waiting for the news but hoping iy just rumours and not true who are miss him can see interview of han geng by sohu звезда online suju 13 + 15 forever