Nike is the fourth princess of the Rain Duchy and one who holds the power to call forth the rain. Despite her own reluctance, for the sake of her country she travels to the Sun Kingdom to marry Sun King Livius. She soon discovers that the King, who conquered the world within only three years of ascending to the throne, is actually… a child?! Furthermore, for trivial reasons, he demands that Nike call forth the rain…?!

Two souls are linked by a heirloom rose garden.

Abe Maria, an ordinary high-school girl and Nanami Tokuko’s childhood friend, is the world’s last pureblood vampire!! For 10 years, Tokuko has been encouraging him to become a part of human society, and since then, Maria has come to love humans. As such, Tokuko happily watches over Maria. This couple's story is the world’s most gentle vampire comedy. *Includes an extra story called Manshinsoui no Futari (The Wounds that Cover Us) in vol. 1 detailing a high-school romance between a boy who is suffering mentally and an extremely clumsy girl.