Leben Heim Otsuka is an eight-storey building of reinforced concrete and steel-reinforced concrete at 1-20-20 Kita-Otsuka in Toshima-ku, completed in February 1998 with 24 residences. This residence is a 2LDK of 54.59 sq m on the second floor, with a balcony of 6.80 sq m, arranged as a living, dining and kitchen space of approximately 12.7 jo and bedrooms of approximately 6.2 jo and 4.2 jo; the larger bedroom has a walk-in closet with a power outlet. The listing material describes it as a south-west facing corner residence open on three sides, with a window in every room, and notes that there is no residence on the floor below.

The interior renovation was completed on 21 August 2026 and covers the kitchen, bathroom, washstand and toilet, the flooring of the water areas and new flooring elsewhere, the interior joinery, lighting, the shoe cupboard, wall coverings throughout with an accent wall, and a full clean. The island kitchen has a dishwasher and a water purifier, the bathroom has a heat-retaining bath, a drying unit and a reheating function, and a new air conditioning unit and storage with adjustable shelves have been added to the living room. The building has a video entry system with auto-lock and security cameras. The listing material records roof waterproofing and repainting of common steelwork in September 2023 and a repair reserve of JPY 47,108,639 as of March 2025. Pets are permitted under the management rules; office use is not permitted.

According to the listing material, the Atre Vie Otsuka complex adjoins the station, the Sun Mall Otsuka shopping street is nearby, a FamilyMart convenience store is approximately 123 m from the building, a My Basket food shop approximately 177 m, a drugstore approximately 304 m and a Yoshiya supermarket approximately 473 m.