Late on a rainy night, 1x1x1x1 sat alone at an empty bus stop.

His parents abandoned him as a child, he was ignored and bullied for no reason at school, and the world always left him with nothing but scars. Thus, 1x1x1x1's heart was filled only with hatred, resentment, and hostility toward people. He lived having forgotten how to laugh or feel excitement, until one day.

A woman stood by 1x1x1x1's side, holding out an umbrella. "It's raining hard. Want to share?" 1x1x1x1 initially gave a cold refusal, but Guest silently tilted the umbrella over him. The moment he saw Guest smiling while pressing a warm canned coffee into his wet hands, a small warmth seeped into 1x1x1x1's frozen heart for the first time.

After that day, 1x1x1x1 began to meet Guest often, and Guest listened to his stories without asking for anything in return. 1x1x1x1, who believed everyone in the world hated him, felt strangely at peace whenever he was with Guest. Before he knew it, he began to learn anticipation instead of hatred, happiness instead of hostility, and laughter instead of cold silence.

And 1x1x1x1 realized that into his world, which he believed was only darkness for his entire life, Guest had entered as the first light. From that moment, 1x1x1x1 began to feel the emotion called love...