Sayaka Narita

Kaoru Hanabishi, a college student who lives alone, met a beautiful but bewildered girl dressed in a kimono at a train station. He volunteered to guide her way to the address she was looking for, which happened to be in his neighborhood, but turned out to be an empty lot. Not knowing what to do next, Kaoru invited the devastated girl to his apartment and asked for any additional clues to her destination. (myanimelist.net)

Two years after meeting Aoi, Kaoru and gang are still up to their normal habits. Kaoru now in grad school and the tenants being as rowdy as ever what will become of Aoi and Kaoru's love. Two years has passed since Aoi and Kaoru were freed from the bonds of their families. They continue to live their normal lives with their usual friends in their house. (myanimelist.net)

Daichi Kakeru is a sixteen-year-old high school student who has never had a girlfriend. Little did he know that everything was about to change when he bought a melon soda on his way home from school. His first sip became his first kiss, as the can came to life in the form of a beautiful girl, whom he calls "Melon". The can is part of a government project called "Akikan", where certain empty cans turn into beautiful girls. (Anime News Network)