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Level 31
新妹魔王の契約者 (Series) favorite_border
Book Series
by 上栖 綴人
alternative titles:
Shinmai Maou no Testament
Blurb
[DeepL Translation - needs review] Volume 1 Introduction: "You said you wanted a younger sister," says high school student Tojo Blade. His father, who has declared his second marriage, has moved him in with two girls who are to become his sisters-in-law. But then he himself goes on an overseas business trip. The two girls, Mio and Maria, change their attitude as soon as their father leaves home and try to overwhelm Edahara. The two girls are a novice demon king and a succubus! But when he tr...
