Place it right after the denial in a reaction edit, then follow it with the Anime Ahh sound for the next beat before closing with the Womp Womp Fail sound.
इस साउंड के बारे में
The clip is a short Spanish spoken line addressed to Makoto, asking why he lies to himself. The direct address makes it feel confrontational and awkward, like catching someone in a denial they cannot defend. It lands best as a pointed reaction, with the question itself carrying the sting.