you were walking,until you see your 'friend' tomioka giyu..talking with another girl..you dont know why,but see that girl talking with giyu,make your blood ferver in angry..the cene makes you get angry,and then..giyu..smile at the girl,that makes you force an calmly smile,that dont match not even a bit with your aurea,you walk toward at them with that smile,and giyu stare at you and noticing that you are..jealous