It's hard to say for sure. If the author or creator has stated that it's based on real-life, then it might be. But often, stories like these can be a blend of reality and imagination to make it more engaging.
In a cheer competition, there was a story about a small team from a rural area. They had very limited resources but their spirit was high. They practiced day and night on a patchy field. Their story inspired many other teams to not be deterred by lack of facilities. They finally made it to the regional finals and won the hearts of the audience with their sincere and energetic performance.
Doll shirts were a popular type of age-reducing shirt. It was featured by a high waist line, bulging sleeves, no collar or small round neck, pullover, and large hem. It could help cover the fat on the abdomen, raise the waistline, and make the legs look longer. Doll shirts were mostly made of cotton, linen, chiffon, and other materials, suitable for spring, summer, and autumn. However, there was no relevant information in the search results provided so far.