What Giannini showed Tsuna and his friends was an Airbike fueled by Deathperation Flames. This bike runs on similar principles as the hovercraft, and it is supposedly part of Tsuna’s collection in the future. Reborn thinks Tsuna and his friends have fully recovered, both physically and psychologically, so they begin intensive training on how to ride the Airbike. However, Tsuna is taken back by the new machinery and he shows fear. He confesses that he had used training wheels on his bicycle until he was in the fifth grade, whining that there is no way he would be able to ride such a bike, but….