小笠原氏
When Sue Harutaka lost against Mori Motonari dying in the Battle of Itsukushima, Haruhisa saw an opportunity to claim Iwami and making an alliance with Ogasawara clan of Iwami, moved to claim Omori Silver Mine. Motonari launched a counterattack and both clashed in a string of battles with no clear winner. Haruhisa collapsed in Gassantoda Castle on 1560 while engaged in a battle against Motonari and died on January 9.