What if Miyamoto Musashi was actually a ninja, and he defeated Sasaki Kojiro using the power of ninjutsu...

In 1962, Isao Shibata debuted as a pitcher for the Giants, but his talent was overlooked and he was told to switch to the field. A young girl named Kiriko appeared in front of the discouraged Shibata and presented him with a secret book of Kouga Ninjutsu that she found by chance in her hometown. With her encouragement, Shibata vowed to make a fresh start as a fielder, and learned the secrets of the ninja arts written in the book one by one.

Tendou Toramaru was an orphan from a small country defeated during the Warring States period. Having lost his parents in the futile battle, he wished for a world where the common people can live peacefully. Without personal ambition or greed, he served as a strategist to help Oda Nobunaga and Toyotomi Hideyoshi lead their armies to victory, using military science he learned from an early age. After many victories, Toramaru was convinced that Hideyoshi will successfully reunite the entire country. So he left the camp to help those who had lost their parents and family members to recover from the war. After that, it was said that Toramaru was an active advisor in the Korean campaign by Hideyoshi's wish.

Hoshino Moa is 20 years old. She passed the "super difficult" exam to become a weather forecaster, which is said to have a passing rate of 5%, so starting today, she'll start dating! Just as she was thinking that, she fell in love at first sight with the man who held her precious umbrella in the rain!? Moreover, he is the manager of the girls' dormitory that I am planning to move into, so I have a great chance!! I want to be the "special" guy who is kind to everyone! A story about a weather caster's dreams and love, and his unpredictable first love despite both trying his best♪

Genna is a cool and calm lawyer who intimidates men. When she leaves her firm’s party for some tranquility near the magnolias in the garden, she hears a man’s whispering voice ask, “What do you want?”His voice sinks into her body even after he leaves and she cannot move. The sensation stays with her and she cannot get his voice out of her head. Until, one day, there is a masquerade and Genna meets the whispering man again.