Little sister, this is your first period in your life, and you will come every month. Ask your mother to give you something to pad your ass.

The transparent thing is the secretion in your body, which is arranged below you. No big deal.

The enlargement of your ass and chest is a sign of your physical development, and the inner arc on both sides of your waist is also due to the development of your chest and ass. People need to develop in adolescence. Different girls have different physical development, some are fast and some are slow, which is normal.