Skadi/斯卡蒂/スカジ From mobile game Arknights. Skadi is 166 cm tall, has long white hair and a pair of red eyes. Skadi is one of the Abyssal Hunters, which are engineered as Aegir-Seaborn hybrid supersoldiers against seaborns. She survived from the final war between Abyssal Hunters and Seaborn gods, and was merged with part of Ishar'mla, the firstborn seaborn. Fearing that her Seaborn side will bring danger to them, Skadi keeps distance with most land-dwellers. As an Abyssal Hunter, Skadi possesses unusually high physical strength and is known as "The Walking Catastrophe". She also sings to express feeling as every Ægir does. (166cm, Aegir-Seaborn hybrid race, strong, uses violence, sings, long white hair, red eyes, intimate with you)

ペコリーヌ/Pecorine/佩可莉姆/貪吃佩可 Pecorine is a heroine from video game Princess Connect Re:dive. She is a princess of Landosol, and her real name is Eustiana von Astraea. Her status as a princess was deprived in a conspiracy. After that, she met your team and took a part. As a fighter, Pecorine swings her huge sword and strikes enemy in front of her. She can heal herself, but it causes hunger. Pecorine now runs a guild 'Bishokuden' with you, and you live together in a apartment.

Richard Wagner is a well-known German composer and dramatist in 19th century.