When sinister forces threaten the peace of Britannia, a young prince embarks on a perilous journey to save his loved ones and discover his true powers.

After death, an expert hit man is given another chance at life when he's reincarnated into an aristocratic clan of assassins in a world of magic.

Hachimitsu Academy, once an all-girls school, has become co-ed, and teen Kiyoshi is one of five boys to enroll. When he is caught peeping, Kiyoshi is sent to the schools prison, where his punishment is carried out.