Producer Yi-I! Brothers (EI Brothers) has announced his stance on Self-restraint actor Kim Sae-ron's new song Music Video after the Drunk driving accident controversy. On the 10th, Yi-I! Brothers interviewed and explained the new song 'Bitter Sweet (Bittersweet)' in collaboration with pop singer Christine Corless and the process of making Music Video. Yi-I! Brothers commented on this new song 'Bitter Sweet' that "I try to look at Jasin's feelings and life from a different point of view rather than letting myself be dominated by stereotypes, difficult situations, and depressed feelings, It is a song that gives me hope that I will face the life I want when I practice giving myself the right to decide. " "Through this, I will convey a positive and hopeful message to those who are experiencing bitter moments now," he added, explaining the message of the song. In particular, Kim Sae-ron, who was sentenced to a fine of 20 million won due to a Drunk driving accident last year and is in Self-restraint, appeared in this new song Music Video. At the time of the accident, the nearby electricity supply was cut off, causing great damage to the fans. Yi-I! Brothers said that Kim Sae-ron came to this Music Video with the introduction of his acquaintance, saying, "Kim Sae-ron appeared in search of the main character that matches the Music Video concept as HIGHTEEN." In addition, when I asked about the meaning of the first appearance after the controversy of drinking accident through the appearance of this Music Video, I asked him to look at the resumption of Kim Sae-ron activity with a warm eye with the words "I do not want anyone to be harmed" . Meanwhile, Yi-I! Brothers' new song 'Bitter Sweet', which has attracted many topics with Kim Sae-ron's Music Video appearance, will be released on the 18th.