XIII機関
(subtitle read as "Three Five Eight Days Over Two") is an action role-playing video game developed by h.a.n.d. and Square Enix (in collaboration with Disney Interactive Studios) for the Nintendo DS. It is the fifth installment in the "Kingdom Hearts" series, and takes place near the end of the first game, continuing parallel to "". The game was released worldwide in 2009. The story is told from the perspective of Roxas, following his daily life within Organization XIII and his relationship with fellow Organization member Axel; it also introduces a fourteenth member, Xion, who becomes friends with the former two.