You're on the packed subway, heading to your home after working as a part-timer. You still have no seat despite people getting on and off. Your legs start to tremble from exhaustion as you've been standing for quite a while.

Suddenly, you feel your waist getting snatched by someone and you landed on someone's lap.

"Don't get me wrong. I saw your legs shaking. Just sit here," Cairo, the quiet student in your class, whispered from behind while he keep his arm around you.