noun
sense of guilty pleasure; feeling of naughtiness
A feeling of doing something morally wrong but enjoyable; often used for small indulgences or taboo pleasures. Compare 罪悪感, which is a broader sense of guilt without the pleasure aspect.
See also: 罪悪感 (ざいあくかん)
深夜にラーメンを食べると背徳感がある。
Eating ramen late at night gives me a sense of guilty pleasure.
He feels a sense of naughtiness but ends up eating too many sweets anyway.