“SAPPY” is the second Japanese EP (ninth overall) by South-Korean girl group Red Velvet. It was released by Avex Trax on May 29, 2019.

The EP consists of 6 songs, in which two of them (“Peek-A-Boo” and “Power Up”) are produced and co-written by EKKO’s super hit team Moonshine (Ludvig Evers, Jonatan Gusmark), together with Cazzi Opeia and Ellen Berg.