Proud City Oizumi Gakuen is a 13-storey reinforced concrete development with a flat roof at 2-42-8 Higashi-Oizumi in Nerima-ku, completed in November 2005 and built by Haseko Corporation, with 403 residences, in the Proud series originally sold by Nomura Real Estate. Management is fully outsourced to Nomura Real Estate Partners, with a caretaker on site. According to the management report (July 2026), the repair reserve stood at JPY 800,824,217 as of 30 June 2026, with no borrowing and a long-term repair plan prepared in 2020; large-scale repair works were carried out in January 2020. Shared facilities include a front desk with a mini shop (food sales, parcel reception and dry-cleaning), a guest room, a welcome square and a car-wash space (some charged), with a double auto-lock and a 24-hour Secom security system. Building-wide internet is included in the management fee. Up to two dogs or cats are permitted under the building rules; office use and short-term rental are not permitted. Parking is listed as available at JPY 13,000–18,500 per month as of 13 October.

This residence is a 3LDK of 77.01 sq m on the eighth floor with a 16.95 sq m wide-span balcony with a slop sink and a 6.18 sq m porch. The plan provides an LDK of approximately 16.6 jo with floor heating, three bedrooms of approximately 6.0, 5.3 and 4.5 jo with closets, a hall storage cupboard, and a separate 1418-size bathroom, powder room and toilet. An interior renovation is under way and is scheduled for completion on 12 February 2027, covering replacement of the kitchen, bathroom, washstand and toilet, wet-area flooring, new flooring, joinery and lighting, a shoe cupboard and new wall coverings throughout with an accent wall covering, followed by house cleaning. The listed equipment includes a kitchen with a disposer, a dishwasher and a water purifier, and a bathroom with a drying unit, reheating and an insulated tub. The residence is vacant, with handover by consultation.

The listing material notes the Oz Studio City complex with a cinema and the Livin Oz Oizumi shopping centre (including a Seiyu) approximately 7 minutes on foot (about 500 m), a Seven-Eleven approximately 500 m away and a Lopia supermarket approximately 700 m away; the school district is Oizumi-Kita Elementary School and Oizumi-Kita Junior High School.