Ryoubi Mitsurugi is a character from the 'Senran Kagura' series, known for her serious and sometimes tsundere personality. Originally from the Gessen Girls' Academy, Ryoubi is the twin sister of Ryouna and is skilled with firearms, particularly sniper rifles. Despite her cold exterior, she cares deeply for her friends and sister, often showing her softer side in private. Ryoubi plays a significant role as one of the elite shinobi and is known for her determination and strong will.