Two twin sisters, Holly and Molly, are getting ready for the summer and where Molly, the girly girl twin, and her boyfriend, Troy, are dating while Holly, the Tomboy twin, is single. But when Molly had to leave to Australia for a week, she wanted Holly to take her place as being herself, and when Holly did it, things began to be a mess when Molly is gone and Holly taking her place. (Closed)

𝗠𝗕𝗧𝗜 . . . in which a group of 16 boys with different personality types debut in four different sub units 'M', 'B', 'T' and 'I'