Marking the doer of an action が


The particle が can attach to a noun to identify it as the subject performing an action in a sentence.

Examples

ご注文はうさぎですか? » Volume 1 » Page 10

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

「ウサギいない!?」

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

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

ご注文はうさぎですか? » Volume 1 » Page 31

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(わたし)(つく)ったの」

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

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

ご注文はうさぎですか? » Volume 1 » Page 35

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

「ココア(めずら)しく()えている…!」

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

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