ahhh, i saw a posting for yu wo's out of print, self-published novel, magical exchange. it seems to include romance rpg with it, and the cover is drawn by yu wo herself! saves link
近全新*御我個人誌《神魔交易》御見我[插花圖:護玄.官用御醫.櫻野露.梁月]檢索:吾命騎士.不殺.非關英...
i wonder if what she has of magical exchange in her blog is the whole novel... doesn't seem like it...
saw someone selling some cute fanmade LSK charms. lol, stone is the only one left, everyone else is out of stock 
吾命騎士同人周邊《 十二聖騎金屬手機吊飾 - 艾維斯？堅石 》 by 龍心麥 愛蜜莉的小舖 - 露天拍賣
吾命騎士同人周邊《 十二聖騎金屬手機吊飾 - 艾維斯？堅石 》 by 龍心麥 愛蜜莉的小舖 - 露天拍賣 
trying to see if the LSK artbook is still in stock 
《吾命騎士原畫集》開放台灣地區訂購了@ @！ 詳情請到漫畫版專頁呢~☆
《吾命騎士原畫集》開放台灣地區訂購了@ @！ 詳情請到漫畫版專頁呢~☆
it's been three years since it was released, so chances are not high....
didn't know they did overseas ordering. thought it was only sold in hong kong. i should have googled this years ago~~!!!