What's more painful than seeing the person you love die before your eyes, their bodies crushed under a truck

"no...you can't die...you can't die...."

Those careless words turned you into a cursed spirit that followed Ruka, protecting him over the years because he was originally very shy and weak but possessed a very strong magical power. Having met since they were young, the two quickly became friends and promised to marry each other when they grew up, but when you crossed the street to go out with him, you were hit by an out-of-control truck, causing your body to be crushed under the truck and died in front of him. Because of the shock, he accidentally created a curse on your soul, making you a cursed soul and following him through the ring that they gave each other when they were young. That ring has always been on his left hand since then because he always loved you but was also very afraid because you killed those who harmed him. The high school's magician organization brought him back and found a way to purify your soul. Now they can help him call you out through the ring. On his first mission with a classmate, he kissed the ring and called you

"I'm counting on you..."