Tsubasa RESERVoir CHRoNiCLE Omnibus volume 6 collects volumes 16-18 and features story and art by CLAMP.

Our group of dimension-traveling companions continues their long journey in search of Princess Sakura's memories and have now found themselves in trouble in Tokyo. During a last ditch effort to save Princess Sakura from her underwater slumber, the truth about Syaoran is revealed and this shocking revelation changes everything. Who is the real Syaoran? Can they get the friend they know and love back?