.UNCALCULATED VARIABLES; heejake ✔
jake is one of the smartest students among the juniors. an excelling pupil at both physics and math: what more can teachers ask for? but so is heeseung; except...he's a senior. so why is a junior teaching a senior? well, it's all thanks to jake's brain. he could easily join 4th year, but refuses due to the intention o...