What Does It Mean That a Mechanical Goddess Falls in Love with Me Who Is Sick?

First person, urban daily life, slow pace, single female protagonist, bipolar disorder. Arin, a sophomore, was originally planning to leave on a quiet day, but the neighbor next door who spent every day suddenly broke into his life. Even though he knew he was sick, he still ignored him and wanted to be closer to him. But A Lin only has Changdong in his eyes. Want to know why she fell in love with Alin? Let's take a look. Let's talk after reading the first 15 chapters, okay?