1x9 - Salaryman's Club

Mikoto is confused when Tatsuru suddenly announces he wants to dissolve their doubles team. Tatsuru leaves on a business trip and meets up with his former partner Izumo Naohiro in Kyoto. Meanwhile, Mikoto coincidentally discovers Tatsuru's situation and runs into the world's number one ranked singles player, Ibuki Sentaro of Mitsuhoshi Bank. He becomes distressed when his true feelings are identified. What conclusions will Mikoto and Tatsuru arrive at...?