September 29, 2026
Personality : BL Fan, Brother Complex, Energetic, Outgoing, Third Person
Role : High School Student, Non-blood-related Sister, Roommate, Younger Sister
Voice : Ishihara Airi
Personality : Bookworm, Closet Pervert, Dog Person, Friendly, Japanophile, Kind, Refined, Shy, Watashi
Role : Arab, Half-sister, Older Sister, Pet Owner, Princess, School Literature Club Member, Transfer Student, Twelfth Grader
Voice : Ookubo Aiko
Personality : Energetic, Friendly, Genre Savvy, Loud, Proactive, Watashi
Ruria von Dina/ルリア・フォンディーナ
Sakuno/咲乃
Role : Classmate, Class President, Eleventh Grader, School Soccer Club Member
Voice : Hayase Yayoi
Ou Maika/王 舞華
Personality : Atashi, Childishly Violent, Loud, Pretending, Selfish, Tomboy, Tsundere
Role : Chinese, Gamer, Half-sister, Master, Princess, School Athletic Club Member, Tenth Grader, Transfer Student, Younger Sister
Voice : Aoba Ringo
Personality : Bookworm, Curious, Hard Worker, Japanophile, Jealous, Old-fashioned, Refined, Watakushi
Role : Classmate, Eleventh Grader, European, Half-sister, Pianist, Princess, Roommate, Younger Sister
Voice : Ono Ryouko
Personality : Nature Lover, Watakushi
Role : Maid
Voice : Kojima Mei
