Clannad

The hero Tomoya is a delinquent with a strained relationship with his father. When he gave up basketball, one of his passions in life, he becomes unwilling to go to school. When he dawdled at the bottom of the slopes on the first day of school, he meets Nagisa, a girl who is just as hesitant as he is about going to school. Nagisa has been sick all her life, and during her third year of high school, she has to take a long break. Due to this, she is older than the rest of her classmates and is all alone since her friends have graduated. The game company Key specializes in interweaving all sorts of relationships into their plot, aside from the growing romance between Tomoya and Nagisa, the protagonists' relationships with their parents and friends are included to form a well rounded and touching story.