It is about a butler that was picked up by his master, they were good friends. They wanted to stay together but the head butler wouldn't allow it. They ran away and got in an accident, the butler saved his friend, but got his left eye injuried. It left a scar and the head butler said that his friend didn't want to see him anymore.
It is about a guy (tattoo artist) who has a neck fetish. He wanted to create a tattoo that was unique/speical for the person he loved
http://www.mangago.me/read-manga/zutto_aishite/tr/102303/page/