The second book in the Sondai series, Sondai, At Her Best, follows Sondai as she attempts to gain popularity through social media. She becomes fascinated by a classmate who is a social media sensation and is eager to learn her secrets to online fame. As their friendship grows, Sondai soon realizes that what people post online does not always reflect their true reality. Through this experience, she gains a deeper understanding of authenticity and the difference between perception and truth.