Cyclops Shoujo Saipu~.
Puberty happen to Fuuka in her second year of high school.
She is very tall and she has large breasts now.
Her classmate's called her "Saipu" after the cyclops, because of her hair.
When she was a little girl, she love her older brother so much, that she wanted to marry him.
It scared him, because she is all grown up now, and can follow up on her childish wish.