Complex sentence: On January 15,2014, Got7 released a YouTube music video for their debut song "Girls Girls Girls" from their first mini album "Got It?", officially released on January 20,2014.
Split into simpler sentences: On January 15,2014, Got7 officially released the music video for their debut song "Girls Girls Girls" from their first mini album "Got It?" on YouTube. Their mini album "Got It?" was officially released on January 20,2014.