Issue game of Wargame Japanese History #23. Covering the most important civil war in Japan from 1467 to 1473. https://en.wikipedia.org/wiki/Ōnin_War This war was the start of long and chaotic era, Sengoku jidai (戦国時代). The game focuses the battle in Kyoto area. But, also covers the country areas. The game uses the abstract country area battles and detailed "I go, you go" system Kyoto battle. The game is mainly decided by the control of most important palace areas in Kyoto. But, determined by accumulated victory points at the end, if no side can achieve the sudden death victory.