I don't care if I die today. Kakeru Soroka, a high school student, was about to give up on life, but after meeting a lively CA princess during a school trip, he began to think that he wanted to work in the world of the sky. From a business card he happened to get, he consulted with Takadono, an employee of Japan Airline Service, a major airline, and decided to become a CA for Japan Island Airlines, which hires high school graduates.

In the present day, 19-year-old Alice was visiting the "Titanic Exhibition." After getting caught in a mysterious bomb threat, she awakens to find that she and her childhood friend, Noah, have been transported to the past. The destination they were sent to was none other than the deck of the Titanic on the very day it sank in 1912! Knowing the disastrous future that the ship will sink in just a few hours, Alice resolves to do whatever it takes to prevent the collision with the iceberg. Just then, a handsome young man appears before her, who for some reason calls himself her fiancé. A glamorous romance unfolds aboard the luxury liner as the passengers face the ultimate choice between life and death. At the moment the ship sinks, whose hand will Alice take in the end? The curtain rises on a high-stakes romance suspense about rewriting an absolute fate! https://www.cmoa.jp/title/338223/vol/17/

Felciana, a girl who loves to read, is saved from falling down the stairs by a young man. He is Yuto Historia, the eldest son of a prominent family whom she last met when she was a child, and for some reason, he later proposes to her. Although the reason for his proposal is a mystery, she accepts his proposal. After their engagement, the two gradually begin to interact, and Yuto, a cool government official, keeps making her heart flutter. However, it seems that Yuto has a secret... In fact, this is the world of the game "Utopia," and Yuto is a reincarnated person! Yuto has been in love with Felciana since before his reincarnation, and he uses all his knowledge of the game to try to get her to like him...!? A devoted and clumsy love fantasy!! (Source: Nihon Bungeisha, translated)

After some tragic events, this woman became a nun - but one that kills and punishes criminals.