あらすじ
In a world with "humans" and "monsters", a pair of twins were created by combining the two. They have completely different looks and personalities, but they both dream of going outside someday... A dark fantasy by the brilliant author Shida-sensei!
あらすじはAniListより（英語）。
データベース内の関連マンガ
自社カタログから選出 — 同じ作者、またはジャンルの重なり。