A young mangaka named Yoshio Tsube was drawing rental manga to support his family of seven. When he brought his new manuscript to the publisher, he met his senior, Mr. Tayama. One day, he visited Yugawara Onsen as Mr. Tayama's assistant and took a liking to the inn's maid, Yoneko. After returning to Tokyo, Yoneko visited him in Tokyo and they became close friends, but he rejected her within two months when she asked him for money. (Source: Wikipedia Japan, translated) *Note: Published in Weekly Manga Sunday 1974-11-09, 1974-11-16 and 1974-11-23.*

The Devil King and his friends check out a wedding venue, buy swimsuits to work at the beach and…get marooned on a desert island?! This collection of original comic stories, drawn by a lineup of artists and fans of the series, collects episodes which may, or may not, have taken place during the main story! (Source: Yen Press)

During the One Year War, in an attempt to replace losses in the Federation for mobile suit pilots, a penal battalion was formed called the Slave Wraiths. Led by Travis Kirkland, he and his team take on suicide missions in highly advanced mobile suits to make deadly surgical strikes into the enemy side. On the other side, the Marchosias, a regiment for Zeon elite pilot washouts was formed as well. When Doug Schneid, a former pilot of Zeon defects to the Federation with the Pale Rider in tow, both sides are forced to fight together to stop a conspiracy that lurks within the MS development research. (Source: Gundam Wikia)

From Gutsoon!: 20XX and Japan's economy suffers as the country's government begins to fail due to inadequate politicians. Seeking a dramatic restructuring of its fragile political system, the nation elects Sakuragi Kenichiro - a man educated in America- to be its first President. Given decision making powers the equivalent of a U.S. President, the young politician is faced with several international crises, including the invasion of North Korea into South Korea and China initiating attacks on Taiwan. As the "First President" he struggles against phenomenal challenges and along with his "fighting cabinet," Sakuragi works to reform Japan.

Expert soldier Taiga has just retired from the military after twenty years of service. Listless, he decides a visit to his homeland of Japan will help him figure out what to do next. But he never arrives. A strange earthquake in the airport seems to spell his demise, but instead it transports him to Million Dungeon, a labyrinthine world of caverns, kingdoms, magic...and monsters. The key to survival is apparently creating his own nation, but even with all of Taiga’s experience, the incredible dangers may prove too much... (Source: Yen Press)

Mami has tried marriage once and failed, so now she's looking for something else. Even if her peers won't get it, she wants what she wants: not marriage, not romance, just a man to spend time with when she needs some company! Sure enough, when she brings this up at her junior high class reunion, her friends all gang up against her. However, a handsome former classmate she'd almost never spoken to before—Nakamura—does empathize with her! When Mami learns that Nakamura is also once-divorced and, just like her, is looking not for a wife or a girlfriend but just a woman to spend time with, she makes a life-changing decision. She's given up on living her life according to what's "normal." After spending thirty-some years toiling under the crushing weight of societal expectations, one woman finds herself a partner in crime and a new lease on life in this modern-day survival story. (Source: MangaPlaza)

Series which followed the oneshot of the same name.

This tale is set at a small hot springs inn where a samurai is relaxing when he is asked to share his room. His new roommate appears to be none other than Musashi Miyamoto. (Source: Anime News Network) *Note: Published in Monthly Manga Garo No. 12 (August 1965).*

Matt is at his wit's end. As if he isn't busy enough with business transactions for the company he manages, he's left to take care of his ten-year-old daughter, Samantha, when his ex-wife passes away. Samantha rejects every nanny Matt hires. Just as the temp agency refuses to deal with him anymore, one of his employees introduces him to her younger sister, Tess. He learns that Tess is spending the summer at her sister's place, and he hires her as a nanny. She immediately befriends Samantha, but Matt doesn't expect to find himself falling for Tess's carefree charms...! (Source: Renta!)