DIAMOND CHAIN STORE Latest Issue December 15, 2025 January 1, 2026 Combined Issue New, unread magazine. Price: 1,650 yen Bonus: September 1, 2024 Issue Feature: Innovation Possible Because of Two Companies: A Complete Analysis of Trial Seiyu Trial Seiyu Launches! Fusion and Creation, the Scenery Beyond Special Interview Hiroyuki Nagata, Representative Director and President, Trial Holdings Because Trial and Seiyu are working together, we can realize "enriching life." PART ① TRIAL GO, Landing in the Tokyo Metropolitan Area: TRIAL GO Nishiogikubo Station North Store Achieving entry into the 23 wards with a small format! Fully utilizing 3 Seiyu stores + PC/CK PART ② How will Seiyu change? Trial Seiyu Koganai Store Renovating existing Seiyu stores to reinforce customer attraction! A new format that symbolizes the fusion of the two companies Hitoshi Narakino, Representative Director and President, Seiyu Maximizing potential and spreading "the happiness of having Seiyu nearby" PART ③ Trial Company's Growth Strategy Ryota Ishibashi, Representative Director and President, Trial Company Accelerating the speed of "distribution transformation" with a strong partnership with Seiyu SuC Trial Sue Store A "necessities of life store" where you can find anything. Emphasizing not only price but also added value PART ④ "Overwhelming" Product Differentiation Strategy Osamu Otsuka, Executive Vice President, Trial Company Aiming to be a "food company" and creating a reason to visit with signature products Apparel PB Strategy Opening the specialty store "Realto" and challenging to become a category killer with practicality as a starting point COLUMN: Strengths and Challenges of "Trial Seiyu" PART ⑤ The Vision of Distribution Transformation Drawn by Trial Seiyu: The Current State of Retail Media Strategy Aiming to create common fans through collaboration between retailers and manufacturers "Musubu Miyawaka" Project: An Important Base for "JBP Strategy" How far has collaboration with manufacturers progressed? Strategic Human Resource Training Promising young employees from manufacturers accumulate knowledge within Trial Interview Masashi Hiramatsu, Representative Director, President, and CEO, Heiwado "Growth is possible only with 'community health'" Unique strategies that Heiwado is focusing on amidst intensifying competition Special Report: The Impact of Valor's Landing in Kanto New Stores Maruetsu BLiX Chigasaki Store OK Ayase Ekimae Store Aeon Style Ichikawa Colto Plaza (Aeon Retail) Series Terukazu Takakura's Net Super Strategy Yukiko Matsuoka's Latest Distribution Keywords One Store, One Soul: Central Square Nishinomiya Hara Store (Life Corporation)