Wendy really hates her older sister for her messy scribbled letters and playfulness. One-shot

In a setting where Artificial Intelligence, stored in a holobox, is a human's assistant and helper. Artificial Intelligence Irene finds herself not only playing music for Seungwan, turning lights on and off for her, cheering her up, but getting herself trapped in finding the perfect match, perfect person for Seungwan. Inspired by SM's latest release of Wendy's AI Holobox.