Sawada Tsunayoshi, the elder brother who is bound to a wheelchair after a accident,
Stays at home while his younger brother,sawada Hiroyoshi, knows about the incident. Their mother,sawada Nana, died during the incident Tsuna was caught in. Sawada Iemitsu, their father, along with Hiroyoshi, tried to stop Tsuna from knowing about the mafia, which Hiroyoshi knew when Reborn arrives. Plus he Is a sky Arcobaleno which Reborn does not know about.