Karen no Fastener

Karen no Fastener summary:

From JShoujo Scans Imaginary Ocean Doora is always talking about the ocean and claims she's a mermaid. But is she really? Trance's purchase Trance goes to the slave market to buy a slave. His cousin Palfiena wonders if he'll buy a useful slave. She's afraid he might make a wrong decision. When Trance comes across a cute girl who can't speak, he'd like to buy her, much against Palfiena's wishes. She thinks he's being fooled, but Trance buys her anyway... Kianna's Tail Kianna is a mermaid of the northern ocean. She lives a peaceful life there with her friends, until a guy arrives who wishes to kill her. Karen's zippers Ever since Karen was little, she always wore clothes with a zipper. When Karen becomes an adolescent, her parents tell her she shouldn't open her zipper in front of anyone anymore. But when Karen falls in love with Rob, he discovers the zipper on her belly and opens it?? Selma's Jingle After a lot of strict music lessons, her teacher says she's finally a full fledged musician. He tells her to go share her beautiful music with other people. Selma goes to neighbouring Mokumoku kingdom to play for the royal family and their guests. Everyone loves her music and request her to play more but Selma promised her master she'd only play once a week. The prince doesn't like no for an answer though, and says he'll marry her if she plays for him... The Painful Dream of Sand In the desert is an Oasis where it is dream like and only people from Tessa's village can reach. People only cross the desert if they are manly enough and Tessa is the youngest to go. The Oasis is there only to rehydrate and stock up on food before they can continue crossing the desert. But there is only 1 resident there. A young boy whose name is forgotten and takes care of the oasis who is lonely until he meet's Tessa. Just who is this boy and why is he alone?