After being warped from their universe to that of Mazinger, the Transformers join the fight between Mazinger Z and Dr. Hell's army of mechanical beasts. A crossover between Mazinger Z and the Transformers series, with each chapter drawn by a different artist.

Celestia, a young lady from a noble family, hears a prophecy from her stepsister, who calls herself the "heroine." "Your engagement will be broken off, and your father will abandon you. In the end, you will go to a convent." To avoid the future of ruin that is unwillingly becoming reality, Celestia becomes an apprentice to her grandfather, a great military leader in the frontier! She resolves to live strongly as a soldier! (Source: Kadokawa, translated)

It is the year After Colony 195, and war between the Space Colonies and Earth has begun. To give the colonies an edge, they send 5 young soldiers, trained to perfection, to earth in the most powerful of Mobile Suits-Gundams. With their arrival, the tide of the war changes as they battle against the Earth forces and the Colonies of their origin. (Source: Anime News Network)

*Notes: \- All chapters were split into two parts in the original serialization and later combined in the volume release. \- Includes one extra chapter.*

Five year old Itsuki is the type of sexy nice guy that every girl in the world wants. But what's this? There's actually a girl that won't fall to his charms?! Riu announces that she only like tall men, what will Itsuki do in order to capture her heart? *Notes: \- Includes one extra \- Includes the one-shot "Guutara One-piece Nikki (ぐーたらワンピース日記)" \- Includes the one-shot "Gomen ne Honto wa Aishiteru (ごめんね　ほんとは愛してる)"*

Katagiri Natsuomi, a high school student living alone for two years, has a beautiful black-haired, blue-eyed girl move into the next room. The girl, Yui, seems to be a real noblewoman, and her nickname is “Kuderella” because of her indifferent reaction at school. When Natsuomi finds out that Yui doesn’t want to rely on others, but is actually quite naive, he decides to help her out. This is the beginning of a sweet and tantalizing relationship between two neighbors.

A collection of one-shots by various artists.

A collection of shorts stories from the four Harta extra booklets, Ani Fellows, Otouto Fellows, Ane Fellows, and Imouto Fellows.

Sound Horizon and Katsura Yukimaru are back together, this time with an adaptation of the band's 6th Story CD Moira! Heroes of the distant world of myths. Who is the one guiding them? The world woven by the thread of fate...

The story is set in the near future when GunPla Battles, competitions that pit Gundam plastic models against each other, have become popular worldwide in the "Second GunPla Boom." Sei Iori, a first-year middle-school student and the only son of a model shop owner, is talented at building GunPla, but inexperienced in the GunPla Battles. He encounters a mysterious boy named Reiji, who happens to be an accomplished Gundam Fighter. Together, they strive for the GunPla Battle world championships. (Source: Anime News Network) *Note: Chapter count includes one extra chapter.*