On a rainy day, when Mai got stood up by the guy she likes, she met a beautiful girl who told her that she was the Rain and that she had come because of her tears. After that Mai's days were filled with the bitterness of betrayal, only the memory of the girl called Rain can somehow ease her heart. A story of a brief love affair under the rainy season.

From MangaHelpers: There are huge monsters wreaking havoc in Mikagura Kiriwo's city. Building on his father's work, Kiriwo has created a serum that turns him into a giant monster for a short time. He uses this serum to help protect the town from a monster one day--only to find that everyone thinks he's an enemy, too! Everyone at school and in the media hates the "black monster&quo