Dragon Ball Online
- Trunks and Goten develop Kikoukenjutsu (Ki-Control Swordsmanship), becoming the origin of the present "Swordsman" class.
- The "Katchin Can be Cut!" article in Gohan's "Groundbreaking Science" book had a large impact on practitioners all across the world. Trunks and Goten were aware of this phenomenon; "Swordmanship's cool—isn't it. Let's set up an awesome school all by ourselves!" The two became enthralled by this motivation. Via intense training, the two were able to develop their natural potential and establish a Kikoukenjutsu Sword School.
- Senbei Norimaki's invention the Future Camera takes a picture of Taro Soramame, Peasuke Soramame, Senbei, Arale Norimaki and Akane Kimidori in Age 745 and shows what they will look like in Age 805 as elders.