Place it right after a sincere confession or romantic setup in your edit, then follow it with Emotional Damage for an exaggerated heartbreak punch, or cut to Bruh as the next reaction in the sequence.
このサウンドについて
This is a short meme voice clip lasting about 1.8 seconds, built around the name Kononowicz and the Polish word Serce, meaning heart. The delivery is blunt and instantly recognisable to people who know the meme, giving it a dry, absurd humour that lands as a quick joke rather than a serious statement. It works best as a brief, unexpected interruption.