Nana Asta Deviluke from To Love-Ru the best tsundere of all stundere.

No mandatory trigger word, but use this for better result :

"pink eyes" and "nana asta deviluke"

you can easily trigger her hairstyle with : "twintails"

and for the tail : "demon tail"

you can recreate the original school uniform with :

"white shirt, green ribbon, green skirt, school uniform"
Optional : "yellow sweater"