When Yasu transmigrated into a different world, he found out that for every 10 males, there are only 3 females. Due to the low birthrate of females, they are more valuable and protected. Because females are more valued and protected, most females are more spoiled and demanding. Too bad Yasu Mori transmirgated into a male's body. Good thing is that Yasu was born into a loving family with a stable foundation. Taking his knowledge and skill from his first life, Yasu works hard to live his second life to the fullest. Falling in love with not one, not two, not three, but four people. Can he find happiness in his new life? Can the people he love, learn to love each other?