Kyō Kara Ore Wa!! (今日から俺は!!?, trans. Today, It's My Turn!!) is a Japanese shōnen manga by Hiroyuki Nishimori. The series was initially published in Shōnen Sunday Super running monthly from 1988 volume 9 through 1990 volume 38. The series was then promoted to the weekly magazine Shōnen Sunday from 1990 volume 40 through 1997 volume 47. The first manga tankōbon was published on December 14, 1989[1] and last thirty-eighth on March 18, 1998.
热爱棒球的真琴和班上的两个男孩钱照和龚杰有着共同的兴趣。有一天，已经是她的好朋友的钱照突然向她表达了爱意，不知所措。她再次跨越时空，希望避免这种情况的发生。但没想到千昭会和一直喜欢千昭的同学悠莉在一起。这时，暗恋龚杰的郭遂误以为甄琴是龚杰的女朋友。为了帮助解决朋友的问题，珍琴不断以同样的方式回到过去。她突然意识到，手臂上的数字实际上是她穿越时空的次数，而且这个数字越来越少。与此同时，她还发现了千兆的秘密
