On July 30th at 6PM KST, Dream Catcher returned with their special mini album 'Summer Holiday', which was released on various online music sites.

On the same day, Dream Catcher held a comeback showcase through Naver's V Live. They opened the stage with a performance of their album's sidetrack "Alldaylong", and then shared a warm conversation with each other while looking at their album's concept photos. They also introduced the fan chant method for their title track "BEcause", garnering a lot of attention. Despite the summer heat, the members poured their all into their performances without showing any signs of exhaustion.

Following Dream Catcher's comeback showcase, positive responses to their title track "BEcause" were seen. Immediately after its release, "BEcause" ranked #2 on Bugs Chart and the album's side tracks also succeeded in entering the music chart. Then, on July 31st at 8AM KST, "BEcause" climbed up to the #1 spot on Bugs Chart and also quickly entered Melon's 24Hits.

The title track "BEcause" is a song that unravels a story of an obsession and longing for love. Using a modern pizzicato sound and a rich sound of vocals and string instruments, "BEcause" gives off a chilly atmosphere.