Ayanokoji Home

The Ayanokoji Home (綾小路家) is the home of the Ayanokoji family, including Yai Ayanokoji. It is attacked by Arashi and AirMan in Mega Man Battle Network 2.

Other media
In the MegaMan NT Warrior, the Ayanokoji home is bigger than the games, and several maids are seen working on it. In episode 52, it is shown that one part of the mansion is not used and is filled with traps to attack intruders, and the mansion is able to transform into a giant flying mecha.