Hiromi is a 26-year-old single woman. She is popular with guys. Her hobby and specialty is getting men to like her using small talk and a shy persona. If a guy confesses his feelings for her, Hiromi leaves them. Hiromi's share house mate Akira and her friend Aya blame Hiromi, calling her “Kakure Bitch” (a type of women who uses innocence to flirt with men). Hiromi does not care. One day, she takes an interest in Tsuyoshi, who works in the same office. She starts to like him sincerely.

Yui Katakura is 40 years old and her hobby is saving money. She has always lived a frugal life, but then she is diagnosed with cancer and her life changes drastically. She meets a pink-haired host and lends him a large sum of money, jumping into a new world. (Source: Comic Days, translated)

Is comedy spin-off comic by koppy and supervised by Yoshiaki Sukeno. It's published at the official website of original manga, as well as the magazine Saikyō Jump. There are also special chapters in each volumes in original manga. The content of this manga is canon, showing personalities of many characters.[Mangadex]

In the *SD Gundam Sangokuden - BBW Souseiki* series: V.1 - *SD Gundam Sangokuden - BBW Souseiki* V.2 -

Kiriko is an office lady who is left all alone in the world after cheating photos are fabricated and her boyfriend Shinichiro, the company's heir, is taken away by her best friend, Mone. Heartbroken, Kiriko makes a wish at a nearby shrine, asking, "Please break up those two." Suddenly, her "former" god, Kuon, appears before her! Instead of granting her wish, he tells her, "Be my wife," and whisks her off to another world --!? (Source: Ohzora Publishing, translated)

A teenage boy longs for the school's madonna. One day she approaches him with a strange suggestion. "Will you give me your life?"

The catastrophe, "Hammer of Eden," resulted in the loss of six billion lives and the flooding of 90% of the land. The New United Nations were formed to pursue peace on the ruined lands 14 years later. Keel is a boy living in a town called Yabitsu, an area which prospered due to the energy from the nuclear generator brought by the catastrophe. His next kin, Aoi, is the secretary general of the New United Nations. She views the catastrophe as an opportunity to create a new world in which nations can help one another overcome differences in races and religions. However, her efforts to realize that vision fail because of the unwillingness of the nations to change. Gould, a military officer, feels that the only way to make an order is through the military. Using Ulysses, a nuclear submarine, along with his crew, including Keel's brother Tean, Gould carries out a coup to declare war against the New United Nations in his attack on Yabitsu. (Source: ANN)