"The 5-Minute Hotline" by Tachibana Tsubasa
I’m a university student fed up with late night phone calls that I keep getting from a certain guy. The calls are always exactly five minutes long. And the other guy is always messing around with me. On this particular night, I’m dealing with a life choice that concerns my future. What will I decide to do? And who is the person on the other end of the line?