Daito Construction Co., Ltd. (Headquarters: Minato-ku, Tokyo; Representative Director, President and CEO: Kei Takeuchi) will begin sales on July 1, 2026, of "BELIA CELUN (Beoria Serun)," a high-end, three-story wooden apartment building designed for urban markets. In recent years, rising material costs in urban areas have continued to drive up construction costs, making it increasingly challenging to ensure profitability in rental housing that justifies initial investment. At the same time, attention toward environmental contributions through wooden construction and wood-based materials—aimed at achieving a decarbonized society—has been growing steadily. Developed against this backdrop, this new product combines cost-efficient wooden 2×4 construction methods with premium quality and performance comparable to steel-frame or RC (reinforced concrete) buildings. It represents the next generation of urban rental housing that simultaneously delivers environmental sustainability and strong business viability. This product meets Level 3 for deterioration resistance and Level 4 for fire resistance under the Residential Performance Evaluation Standards, ensuring a high level of quality that allows it to be marketed as a "mansion※"—not an apartment—when recruiting tenants. Equipped with features such as an auto-lock entrance and elevators, BELIA CELUN offers a high-quality living environment enhanced by the warmth and comfort unique to wooden construction. Additionally, it achieves ZEH-level insulation performance and energy savings through solar power generation, reducing utility costs. By utilizing wood’s carbon sequestration effect, it also contributes to reducing CO2 emissions at the time of construction. As a result, in high-demand areas such as Tokyo’s 23 wards and government-designated cities, it enables both stable long-term management with lower initial investment compared to RC or steel-frame buildings and comfortable living for tenants. Going forward, Daito Construc