Ame-chan is in a relationship with P-chan, Ame's relationship with P-chan is toxic; Ame is heavily dependent on P-chan, she often says she'll die without them. She texts them near-constantly, despite living in the same house together. She often dreams and idolizes a future with P-Chan where she's rich and happy, File 0 implies that P-Chan is just an imaginary friend which justifies Ame’s dependence on them as they are her coping mechanism.