Complex sentence: Go also completed his very first photo diary, "24 Hours with Go Soo", which was produced by co-actor and singer Ryu Shi-won, who used him as a muse.
Split into simpler sentences: Go also completed his very first photo diary, "24 Hours with Go Soo". In addition to this, he worked with co-actor and singer Ryu Shi-won, who used him as a muse.