via tokyohive.com: Four member Korean idol group SECRET appeared at Theater G Rosso in Tokyo for a commemorative handshake event supporting their debut single "Madonna". Roughly 3,500 fans lined up for this event, which is also the first time the members of SECRET were able to meet their Japanese fans. Leader HyoSung commented, "We were waiting for this day for so long. I'm so happy we get to meet our fans up close." It appears SECRET is kicking their Japanese debut off on a good start! Source: SANSPO & Sponichi