Title Year Peak chart positions Sales Album KOR [38] JPN [39] Korean "Awesome" (기가 막혀) 2015 — — N/A Awesome "Lonely" — — Lonely "The Real (진짜가 나타났다) 2017 — — THE REAL : N.Flying Japanese "BASKET" 2013 — 35 JPN: 5,264+ Non-album singles "One and Only" 2014 — 134 N/A "Knock Knock" 2016 — 13 JPN: 6,164+ "Endless Summer" — 10 JPN: 9,705[40] "—" denotes releases that did not chart or were not released in that region.