1. Cousin sister, happy birthday! Your smile is like sunshine, life is like a picturesque poem. May you be safe every year and have everything go as you wish every year.
2. May happiness always be by your side and fill your life with sunshine and laughter! Happy birthday.
3. On this special day, I wish you a happy birthday! May your eyes always shine like stars and your life be as gorgeous as a dream.
4. Happy birthday! May you be safe every year, be happy every day, and be treated gently by the world.
5. Cousin sister, happy birthday! May every day of yours be picturesque and full of happiness and well-being.
6. In this beautiful time, I wish you a happy birthday and be filled with joy. May every day of yours be so warm and everything go smoothly.
7. Cousin sister, happy birthday! May you be happy every day and have a safe and smooth life every year.
8. May your birthday be filled with endless happiness and may the years ahead of you be all sunny and pleasant.
9. Cousin sister, happy birthday! May every wish of yours come true!
10. Happy birthday to my cousin sister! May your smile always be as bright as sunshine!