Put it at the exact beat where a plan fails, then follow it with the sad violin for a dramatic slump, or lead in with the wrong answer sting so the mistake lands first.
Bu Ses Hakkında
A single stretched-out voice exclaims "shit-ahhh" over about three and a half seconds, turning a frustrated swear into a slow, sinking groan. It feels defeated, exasperated and oddly comic, like the air leaving a bad plan. It comes from Hoshizora no Memoria.