tsundere

Tsundere (ツンデレ, pronounced [t͡sɯndeɾe]) is a Japanese term for a character development process that depicts a character with an initially harsh personality who gradually reveals a warmer, friendlier side over time.
The word is derived from the terms tsun tsun (ツンツン) (adverb, 'morosely, aloofly, offputtingly') and dere dere (でれでれ) (adverb, 'in a lovey-dovey or infatuated manner'). Originally found in Japanese bishōjo games, the word is now part of the otaku moe phenomenon, reaching into other media. The term was made popular in the visual novel Kimi ga Nozomu Eien.Another accepted definition of tsundere is someone who has a combative attitude towards others but is also kind on the inside.

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