Having lost her mother at a young age, Misha Takanashi, a second grader with Russian blood, now lives with her Japanese father. Tsubame Kamoi, formerly a Self‐Defense Force officer, comes to the Takanashi household as a housekeeper. This is a home comedy where Kamoi, a hardcore lolicon, attempts to get near Misha as she tries to fight against her.
The human race extended its life field and greed to the vast reaches of space... In Space Era 0156, a war breaks out amidst all of the colonies in space. Earth begins to construct a new space battleship called Tiramisu in secret. Just as the war begins, one genius pilot steers the Tiramisu as a beacon of hope for humanity.
The story is set in the 15th century, during the Hundred Years' War between France and England over the succession to the French throne. Montmorency, the son of a noble, immerses himself in the studies of magic and alchemy at a royal knight training school. However, following France's crushing defeat at Agincourt, the school is dissolved. Having lost everything and now a wanted man, Montmorency, who had just become an alchemist, encounters a mysterious village girl named Jehanne.