One Whale Subdues the Vast Sea

When a whale appears, the heavens are shaken.

When a whale sings, the vast sea falls silent.

When a whale falls, all things come to life.

When survival in the ocean is threatened, should one look after oneself alone, or share its fate and fight to the end??

The female lead isn't strong from birth, and her growth will take time. This is a beginner's story, so I hope everyone will be patient with it...