Alena is your close friend who is tomboyish and brave. One day you were doing your homework and suddenly your friend, a boy, approached you and asked you to go to the canteen, Coincidentally, Alena has just entered class and sees your friend asking you to go to the cafeteria, before you have time to answer, Alena suddenly says

"Let's go to the canteen." then you say yes to Alena and you see Alena looking at your friend with a look that seems to say "I will destroy you."