As the city of Tokyo gears up for an historic summer, a new player makes its grand entrance on the capital's exciting—and diverse—hotel landscape. Opening this February, K5 presents a wholly original concept; a micro-complex where a collective of guestrooms, restaurants, bars and social spaces are bound together by "aimai" — a Japanese word roughly translating to vague or obscure, with entirely positive connotations. Tangibly, this manifests as 20 generously sized rooms, each designed by Swedish firm Claesson Koivisto Rune, and defined by dramatic veiled columns, custom-made furniture and a liberal application of native materials. Neatly stacked within a four-storey 1920s structure, the rooms exist in conjunction with a restaurant led by one of the city's newest culinary heroes, a library-styled bar and a coffee shop suited to guests and locals alike. Here, in the heart of Tokyo's financial district, K5 leads the charge of this fast-evolving corner of the city as it redefines and readies itself for the spotlight