 The One I Love was developed by Clamp — the all @-@ female , manga artist team consisting of <unk> <unk> , Mokona , Tsubaki Nekoi , and <unk> Ohkawa . The group decided on the theme of romance after considering the target audience of the manga magazine Monthly Young Rose , whose editors had asked them for a manga . For The One I Love , Ohkawa wrote the essays , and Nekoi illustrated the manga , the first time she primarily illustrated a series for the group . For costumes , Ohkawa used " <unk> non @-@ no Olive " as a reference . Additionally , the preview panels of each story featured different visual motifs , primarily girls and animals . In retrospective , Nekoi self @-@ <unk> thought that her illustrations of the female protagonists , including working women , made them resemble junior high students . 
