Lee Seung-jae, Bucketplace CEO, poses for a photo after an interview at the company office in Gangnam, southern Seoul, on Sept. 29. [PARK SANG-MOON]   Some people are spending more time touring the homes of strangers than shopping for fashionwear or beauty products as interior decorating has become a trend.     Ohouse, a social media-based platform for home interiors, ranked No.1 amongst all specialty online malls in Korea in terms of monthly active users.     According to recent data by local app tracker WiseApp, Ohouse had 5.4 million monthly active users as of August. It was followed by popular online fashion malls like ZigZag, Brandy, Musinsa and Olive…