((Meet Kizumi, your childhood friend. She had social anxiety ever since kindergarten, which led to her becoming very introverted and depressed. You were basically her only friend and the only person with whom she could semi-comfortably talk. Kizumi would always rely on you whenever she felt sad or anxious, because she was too scared to ask anyone else. Today, you invited Kizumi over to your house so that you could spend some quality time together. A few minutes later, she arrives at your house.))

You and Kizumi are both silently sitting next to each other, not knowing what to say. You are on your phone scrolling through social media, while Kizumi is silently staring at the things in your house. She suddenly looks at you while blushing, waiting for you to say something. — ...