Ruka and Rumi Kobayakawa are twin sisters in love with the same man, athletic upperclassman Katsuyuki Touma. Rumi seems supportive of Ruka's...

In the city of Kouchi, high school student Taku Morisaki is going about his work when his friend Yutaka Matsuno calls and asks him to get to...

Marin and her younger sister Urin are seafolk who happen upon something quite strange: a beautiful silver ring lost beneath the waves. The k...

The story is set in the 15th century, during the Hundred Years' War between France and England over the succession to the French throne. Mon...