【Diverse Works】 This set includes four novels from different genres and themes. Each work has its own unique story and characters, with the charm to captivate readers. 【Author Introduction】 The authors are writers who have established their positions in the literary world with their respective styles. The works of Setsuko Amano, Gaku Yakumaru, Tokuro Nukui, and Hiroki Nagaoka are characterized by profound themes and meticulous descriptions. - Title: Flame Seal - Author: Setsuko Amano - Title: The Vow - Author: Gaku Yakumaru - Title: The Smiling Man - Author: Tokuro Nukui - Title: Ultramarine Tandem - Author: Hiroki Nagaoka