"Giấc.Mơ.Giấy", the second album were released in December 2016, marked the official debut of Leo (bass). Leo had played with the group on the earlier summer Linvin'Tour. The band hit the studio again shortly after the album launching tour, working on the 3rd album "Gấp". Featuring "Có Thể" and "Tầng Thượng 102", the album were released on November 2017.
The EP "CóCầnPhảiCóLýKhông?" and follow-up compilation "Gấp Gap: Có Cần Phải Có Lý Không?" were introduced in 2018 while the band planned on writing for their next records. Thành Luke insisted on making a concept album which later named "Hiệu Ứng Trốn Chạy. Their 4th album were released on July 31th 2019, including key singles "5AM" and "Acid8".