Marunouchi House, the restaurant floor on the 7th floor of Shin-Marunouchi Building, will host "Marunouchi House's New Year's Eve Celebration in (marunouchi) HOUSE" on December 31st. A DJ live performance will be held from 8:00 PM to 1:00 AM, followed by a roaming live performance around the floor from 10:00 PM to 11:30 PM. The facility will be open until 4:00 AM the following day. The DJ event, starting at 8:00 PM, will feature talented performers such as DJ NORI, MURO, and the male-female duo "Dazzle Drums" consisting of Nagi and Kei Sugano. The roaming live performance, starting at 10:00 PM, will be a guitar and violin duo. Acoustic guitarist Junya Tanuchi and young female violinist Chie Watanabe, a graduate of Aichi Prefectural University of the Arts who plays in an orchestra, will fill the floor with music.

The annual customs of breaking a sake barrel and serving free sake will also be held. The countdown time will be displayed on digital signage in three locations throughout the building.