No Feelings Whatsoever
From Mako Wiki
Characters
§ Toph Meire § Antonio Moffet § Frohike Meire § Tony Moffet § Tsuna Haru-Saku § Tsuna Ryo-Saku § Kusanagi Motoki § Yumumaki Tiida § Aku
Storyline
Toph, Antonio, Frohike, and Tony all worked for a factory called the WF Plant. Their undercover plan was to give off the impression that they were nothing more than a produce plant, a place where harvested fruits and vegetables were cleansed and sent off across the world to produce marts. Instead, they otherwise soaked their products in a deadly poison created by their laboratory. Their plans were to demand a ransom and then never have to work another day in their lives.
Toph and Antonio were the fathers of the other two and also began the trouble. In the laboratory where they created the deadly poison, they held a monkey used for experimental purposes. They needed someone to watch over their plant for them, so they created a bio android. Their curse for messing with not only an animal's life, but a human's, was that they were sucked into a most uncertain doom.
Approximately a decade to two decades later, their sons had taken over the family business and were running fairly successful. Stumbling into the old laboratory, they discovered their fathers' plans from so long before. They decided to continue where it left off, causing a resting demon spirit to awaken.
Haru-Saku Tsuna and Ryo-Saku Tsuna were created for the same purpose, however, the former suffered from contact with the outside world (Motoki and Tiida) and therefore she was replaced by her "twin sister" instead.
Other Notes
It's very likely that this will never be linked to on account that it is so old and even the original writings are some place where Makoto will probably never find them. She has no intentions of revising this.
Story Link Not Available