Homemade Heroes

From [MangaHelpers](https://www.mangaupdates.com/groups.html?id=1011): The children of the Sendai family--Retsuto, Akari, Marin and Mashiro--live in a very unusual home with their parents and grandfather. Below ground level, they have a command center, as well as R&D labs. The children are…

• Format: MANGA
• Genres: Seinen

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