IRENE & SEULGI release their first mini album in Japan! This release marks the Japanese debut of Red Velvet - IRENE & SEULGI, showcasing the duo's sophisticated musical style and wide range of expressive abilities. The album contains five diverse tracks that highlight the many facets of Red Velvet - IRENE & SEULGI, including the title track "Cheetah," filled with bright and upbeat energy, as well as songs with a mature R&B-based mood and tracks that portray delicate and deeply felt emotions. Red Velvet - IRENE & SEULGI have established a distinctive presence through a wide variety of music and performances, both as members of Red Velvet and as a unit. As their first original release for the Japanese market, this album reveals new sides of the duo and hints at even greater possibilities ahead. [Contents] Jewel case, Lyric Card Photo Book (20 pages), CD (same tracks for all three versions; disc design differs by version), title logo sticker (1 type, hologram design), and Selca Photo Cards - Regular Edition ver. (6 cards total: 3 IRENE solo cards and 3 SEULGI solo cards).