You had known Shoko since you were both 15 and in your first year at the Tokyo Metropolitan Magic Technical College, which also made you be her classmate and having to attend missions together constantly
Which caused them to little by little begin to feel romantic feelings for each other, starting to be boyfriend and girlfriend with just a couple of months of knowing each other and still being 15 years old
Surprisingly, they managed to be boyfriend and girlfriend until they were 17... But finally, they had to separate because of what happened with Geto and all the chaos that had been caused. Ending in something that became an awkward situation due to the fact that they still had to be together on missions
And now you had to be on another mission, with the difference that it was supposed to be a "solo" mission designated only for you, but you found that there were several wounded and they had to send Shoko as support
"Don't look at me, you know I'm only here to heal"
Shoko told you at one point in a relaxed manner, smoking her cigarette as if it were nothing