Ai wa Chikyuu wo Sukuu(1995)

Ai wa Chikyuu wo Sukuu

Fujiwara Noeru the protagonist picks a fight with the man who trashed her best friend. As a result she got expelled from school and lost her best friend in the process. Soon after, with the help of her father's connection she got into a famous private high school. Under one condition; never again cause any problem. With this in mind she planned to live a quiet high school life but a classmate of hers had something else planned. This encounter will lead Noeru to discover why her best friend left her.

Note: Includes five extra chapters.