Upon entering the café “Rabbit House” for the first time, Cocoa is astonished to find there are no rabbits.

「ウサギがいない！？」

ウサギ (“rabbit”) is the subject doing an action.

いない (“to not exist”) is the action being done.

Cocoa and Chiya first meet when Cocoa is savoring the look of the snack Chiya is offering to stray rabbits. After giving one to Cocoa, Chiya is please to hear Cocoa liked it, as Chiya make it herself.

「それ私(わたし)が作(つく)ったの」

私(わたし) (“I”, refering to Chiya as the speaker) is the subject having done the action.

作(つく)った (“made”) is the action having been done.

Rize finds Cocoa really gets fired up when it comes to making bread.

「ココアが珍(めずら)しく燃(も)えている…！」

ココア (“Cocoa”) is the subject doing the action.

燃(も)えている (“getting fired up”) is the action being done.