The alternative version to the Caliber SS in volume 8, where they decided not to save Freya in the dungeon. The SS in the title means 少し失敗 (sukoshi shippai) which translates to Slight Failure.

“I have to keep moving forward!” Nonomiya Akane, 17 years old, second year in high school and the eldest daughter of the owner of Yaohachi Greengrocer, lives her life according to that motto. So when her crush of seven years, Nakai Sachio (Sacchin), announces that he was going out with childhood friend, Nishii Kayomi (Kayo-chan), Akane decides to just forget and move forward. Whether she fights with Yamato, her childhood friend, or suffers a heartbreak, she doesn’t falter and keeps working hard to achieve her dreams. So what kind of miracles will Akane be given? (Source: Ochibichan)

There're many reasons 28 year old performer Tagashira Shinichi wants to die but mostly he just stopped caring about life. Then he bumps into Yuu, a former classmate and friend. When Yuu pushes Shinichi to see his little brother again things get more complicated. Can Shinichi find something to live for?

Once upon a time, a Demon King named Rchimedes caused havoc and destruction in the Human World. He was sealed away by the great hero Creasion, and peace returned to the world. 1000 years later, Rchimedes has returned, a hole has opened up in the Human World, and countless monsters have sprung up. To prevent any further destruction, the King calls upon all 75 (probable) descendants of Creasion. This story focuses on the adventures of descendant number 45, Alba, and the royal soldier appointed to assist him, Ross. *Note: Includes 1 extra chapter.*

A side story of Senyuu. bundled with the first press release of the fourth Blu-ray/DVD volumes of the anime. It tell the story of how Ross and Alba meet.

Ashray is the son of the Flame Emperor, small for his age, and cursed with a fiery temper. He also has to hide the fact that he has a horn, a trait usually associated with demons. His father keeps appointing assistants to keep an eye on him, but keeping up with Ashray is hard work, and the first six have died in the line of duty. Can Alan Seoul, his newly appointed seventh assistant, last a little longer than the first six? Teiou is a prince of the eastern kingdom of air. His best friend and lover is Keika, a mazoku, or demon, in human form. Tiarandear, is the Prince of the western kingdom of water. As chief of all the gods it is his job to maintain harmony in heaven and to direct and control human history. He loves Ashray, but how long can he keep protecting Ashray from the consequences of his violent temper? And if it should become known across heaven that Ashray might be part demon?

Onizuka is an Oni and her childhood friend Sawarida is a human who likes to touch weird stuff. She might be in love with him, but he is too dense for love or is it the other way around? Note: - Originally a doujin then later serialized in Manga 4-koma Palette. There is no difference before and after serialization. - Includes 18 extra chapters

The class representative, Saeki, uses an array of tactics to sleep during class. Tokimiya, the boy sitting next to her, tends to observe her different tactics and while doing so his interest begins to shift... In other words, Saeki wants to sleep. *Note: Chapter count includes 9 extras.*

This story is about Mutsu Tsukumo, a young and normal looking youth who challenges great foes to prove that his style of fighting is the best in the world. His Ryuha, or fighting style, is called Mutsu Enmei Ryu. A style that is said to have never lost in its 1000 year history. Tsukumo not yet a perfect fighter also increase his strength as the story progresses.

Kyouko is an entertainment manager and a negative character. She always thinks of the worst. She is appointed to scout a troupe of actors, and there she meets Riku...

Ringo's life isn't going so well. Her father's company went bankrupt so they had to move to a new town. Because of that she's leaving her crush behind, but worst of all there is this weirdo she met in the new town she's moved to. In between all of this commotion, will she ever find happiness?

New employee Shiho Satoko has a special skill. Rather than being able to read the mood, it would be better to say she can "see" it. With this special skill, what kind of hidden side can she see behind her senior's unfriendly exterior? *Note: Sixteenth place of Tsugimanga 2020 Award in the Web Manga Category.*