Tsundere (ツンデレ?) (pronounced /(t)sʌnˈdɪə(r)/ in English or /t͡sun.de.ɽe/ in Japanese) is a Japanese concept of a character archetype which describes a person with a conceited, irritable, and/or violent personality that suddenly becomes modest and loving when triggered by some sort of cause (such as being alone with someone). It can also describe a contradictory personality which is good-willed on the inside, but with a harsh attitude on the outside. Originally found in Japanese bishōjo games, the word is now part of the otaku moe phenomenon, reaching into other media such as anime, manga, novels, and even mass media.