飛んで火に入る夏の虫
Meanings
1
rushing to one's doom; like a moth flying into the flame
Proverb describing someone who knowingly walks into danger or brings about their own ruin, often through reckless or foolish behavior.
Going near such a dangerous place is like a moth flying into the flame.
Investing even though you know it's a scam is exactly like rushing to your doom.