[aruaru](exp) (poss. from あるある大事典 (TV show)) Oh yeah; Of course it is so; Cheer up, that's average; It happens; It's possible; Don't worry, it happens[Add to Longdo]
[しんぱいごむよう, shinpaigomuyou](exp) Don't worry about it; There is nothing to fear; There is no need for anxiety; Everything is under control[Add to Longdo]