The clip comes from Kantai Collection, commonly shortened to KanColle, the Japanese game launched in 2013 where historical warships are reimagined as anime girls. Ayanami is one of its Fubuki class destroyers, and Yarimashita is one of her short victory voice lines, literally meaning I did it in Japanese. As KanColle clips were shared on soundboards and in fan videos, this line became a standalone reaction outside the game. Its short length and unmistakably proud tone keep it popular for edits celebrating small wins and completed challenges.