Question: Kim Sung-joo bought out what leather luxury goods brand founded by Michael Cromer?

Context paragraphs:
Delvaux (company): Delvaux is a Belgian manufacturer of fine leather luxury goods founded in 1829 by Charles Delvaux.

Luxify: Luxify is a Hong Kong-based company, providing an online marketplace for new, vintage and pre-owned luxury goods.  The company manages an online marketplace website in which members buy and sell a variety of luxury goods.  It was Hong Kong's first online marketplace to buy and sell luxury goods The site has over 15 categories, including real estate, watches, jewelry, luxury cars, yachts, aircraft, luxury handbags, art, collectibles, furniture, antiques and fine wines & spirits.  As of March 2016, the website had over 22,000 listings from luxury dealers from all over the world, making a US$18.6 billion marketplace.  Luxify also has offices in Singapore and London and local partners in Shanghai and Jakarta.

Céline (brand): Céline is a French ready-to-wear and leather luxury goods brand that has been owned by LVMH group since 1996.  It was founded in 1945 by Céline Vipiana.  Since November 2015, the headquarters are located at 16 rue Vivienne in the 2nd arrondissement of Paris at the Hôtel Colbert de Torcy, which has French Historic Monument classification.  Severine Merle is the chief executive officer, and the creative director is Phoebe Philo.

MCM Worldwide: MCM Worldwide is a leather luxury goods brand founded by Michael Cromer and bought out by Sungjoo Group in 2005.  The brand’s signature logo-printed material, called Cognac Visetos, appears on many of its products.  Its brass plate insignia is found on all heritage collection bags, and most products; each brass plate is identified by a unique number at the bottom.  MCM sells its products through wholesale accounts, franchises and directly operated stores.

Kenzo (brand): Kenzo is a French luxury house founded in 1970 by Japanese designer Kenzo Takada.  Kenzo Takada was born in Japan and moved to Paris in 1964 to start his fashion career.  He then became known for using Asian and Japanese influenced style with the expert construction of European high fashion.  He started out with a 'Jungle Jap' boutique located in Paris and decorated in jungle inspired decor.  He began with handmade women's clothing, then in 1983 Kenzo started designing men and then kids and home collections in 1987.  Today, it is an international luxury goods brand owned by parent company LVMH, that purchased the label in 1993.

Alfred Dunhill Ltd.: Alfred Dunhill, Ltd. (known and stylised as dunhill) is a British luxury goods brand, specialising in ready-to-wear, custom and bespoke menswear, leather goods, and accessories.  The company is based in London, where it also owns and operates a leather workshop.  The company is currently owned by Richemont and managed by CEO Andrew Maag.

Perla Luna: Perla Luna is a Dutch brand and manufacturer of fine leather luxury goods owned by Martello Yachting Europe B.V.

Fabergé (cosmetics): Fabergé (] ) was a brand of cosmetics manufactured between 1964 and 1984 under the direction of George Barrie.  In 1984, McGregor Corporation acquired Fabergé and discontinued many Fabergé products.  In 2007, the trademarks, licenses and rights were transferred to Fabergé Limited, in the Cayman Islands, Mark Dunhill became CEO, and it announced an intention to make Fabergé a luxury goods brand.

Kim Sung-joo (entrepreneur): Kim Sung-joo (Hangul: 김성주; Sungjoo Kim, born 1956, Daegu, Korea) – Founder, Chairperson and Chief Visionary Officer of Sungjoo Group (founded 1990) and MCM Holding AG.  In 2005 Sungjoo Group acquired MCM Holding AG, a German luxury fashion brand founded in Munich in 1976.

H.J. Cave &amp; Sons: H.J. Cave & Sons is a London-based leather luxury goods company founded in 1839 and regarded by some

Supporting paragraphs: Kim Sung-joo (entrepreneur) MCM Worldwide
Answer: MCM Worldwide