Eun returned with a single, "Adios", after a hiatus from the music industry; his album "Love, Death, Introspection" (사랑 死랑 思랑) was released on October 30, 2007 with four new tracks and an instrumental version of "Adios". Mr. Tyfoon, Baek Ji-young and Sat Byul (샛별) were featured on the album. "Adios", a Latin hip hop song, was composed by Keeproots with lyrics by Mr. Tyfoon. Tiger JK from Drunken Tiger, Mr. Tyfoon and Eun produced the album. Eun is part of 13 Creative Unit, a subsidiary of Eyagi Entertainment (which also produces singer Hwang Bo and actress Park Si Yeon).