The Shaderan family has fallen on hard times, and the avaricious and callous baron and baroness will stop at nothing to regain status. They favor their beautiful daughter Anastasia, hoping to marry her into wealth, while they treat the second daughter, Marie, no better than a servant. Years of abuse have convinced Marie that she is truly undeserving of love and attention. On Marie's birthday—used as a ploy to showcase Anastasia—Marie meets Count Kyros Granado, who is immediately charmed by Marie and her knowledge of his culture. Believing Anastasia to be the one he fell for, Kyros proposes via letter. But Anastasia tragically dies on her way to marry him. Forced to take Anastasia's place, Marie becomes Kyros' fiancée, just as he originally intended. Although Marie terribly lacks confidence, Kyros gently helps her find her worth, awakening her to her own beauty and the true meaning of being loved.

In order to go back to the past, Guan Chao tries hard to find the "burning stone" that activates the time gun, but accidentally falls into the Memory Management Bureau. Only by conquering the BUG people in the memory layer can he return to reality. With the help of administrators such as Fangtang and Baizhong, can Guan Chao successfully complete the task? What kind of challenges are awaiting Guan Chao in each memory layer...

At the age of 15, Hana Tabata has already made peace with the idea of never experiencing an unforgettable high school romance. Although she likes shoujo manga, flowers, and anything cute, Tabata considers herself a mere background character; she is a little bit chubby, with a round face, glasses, and freckles—all things that would make her conventionally unattractive. But when Tabata accidentally befriends Yousuke Ueno, a warm and charming classmate, things start to change. While she grapples with conflicting feelings about her unexpected new relationship with Ueno, Tabata has yet to realize that the love story she has been dreaming of has already begun.

Black Nest Technology, a giant enterprise headed by Xiao Sin, has almost conquered the world. It is rumored that their proud humanoid weapon "Guardian" has the power to destroy the world. However, not everyone accepts Xiao Sin's rule. The protagonist, Bai Jiu, successfully entered the Black Nest Technology with the help of his fellow rebels, trying to obtain a "detector" and recover everyone's life experience and family. And what purpose will the protector INK, who was sent to destroy the invaders, come here?