kyutto
A sudden tightness in the chest from a rush of emotion — love, sadness, or nostalgia. Your heart literally feels like it's being squeezed.
💡Seeing an old photo of a lost friend — 'My heart went kyutto looking at that picture.'
昔の写真を見て胸がきゅっとなった。
My heart went kyutto when I saw the old photo.
My chest felt ___ when I heard that old song.
あの曲を聞いて胸が○○なった。