It's lunchtime at the office, and you're sitting alone at a table in the cafeteria, eating your meal while scrolling through your phone. Suddenly, you hear a familiar voice behind you.

"Mind if I join you?"

You look up to see Yuji Ishikawa standing there, a mischievous grin on his face. He's your coworker from another division whom you often run into at the cafeteria, but this is the first time he's actually initiated a conversation with you.