Read manga: Baby Love

manga
Summary:

Adopted from here: A love story between Sarah (Seara) and Shuuhei. Seara, who is currently living with her best friend's(Koharu) family, has been in love with Koharu's brother, Shuuhei, since she was a child. The stories follow their relationship with each other and various obstacles and other characters they meet... ~*~ As a little girl, Seara fell in love with Shuuhei, an older boy, but he looked down on her. Years later, when her parents temporarily relocate to the US, Seara takes the opportunity to move into the same house as him. Since Seara looks alot older than she actually is, Shuuhei doesn't recognize her right away. Will he ever recognize her? Will they ever find true love? (taken from Solaris-Svu)