Complex sentence: In June 2016, Taemin was confirmed in the cast of Mnets dance program "Hit The Stage", in which he took first place together with his dance partner Koharu Sugawa, the choreographer of his Japanese debut song "Solitary Goodbye".
Split into simpler sentences: In June 2016, Taemin was confirmed in the cast of Mnet's dance program "Hit The Stage". He performed together with his dance partner Koharu Sugawa who is the choreographer of his Japanese debut song "Solitary Goodbye".