Hara Kyuugo

http://www.moae.jp/comic/chibasho\_natsunoakuyu

A boy called Yamamoto, who is the son of a priest, has a crush on his classmate Reina (the heiress of their little island's largest company). Because of a small kindness she showed him. One day, Yamamoto was called over by Reina. When they share a secret that they should not have stepped into, they are connected. A suspenseful tale of love and escape begins!!