全国大赛完结以后，亚洲区亚瑟越前龙马（皆川纯子 配音）回到了美国，亚洲区亚瑟但因为一封从日本来的信让龙马速速回来。原来日本U—17高中生网球集训首次在初中生当中选拔。而在全国大赛表现十分优异的青春、冰帝、不动峰等学园的优秀选手都获得了这项集训的资格。赶上了末班车的龙马有了更加广阔的展示空间，从初中生跨越到高中生，龙马等一行人即将面临的是更强的选手，网球王子们再度归来，华丽更甚，招数也更加令人眼花缭乱……本剧改编自许斐刚的同名漫画，剧情紧随着前作的最终章，从全国大赛几个月后的故事开始说起。万众瞩目的王子们再度归来，带着新人物的出场，一场场扣人心弦的比赛即将开始。
回复 :Every year, the elves come from his magical world to bring humans a new spring. Tim is a new one this year. Distracted by the attractive sound of the fair, he wanders away from the other elves, being captured by former trapeze artist Samuel, who brings him to Vladimir, owner of a circus who exploits him as a fairground attraction. Teresa, a naughty 6-year-old girl, is jealous of her little brother, baby Jon. When visiting the fair, she discovers Tim while he is being exhibited and she will become infatuated with him. Tim, at the same time, will see in her an opportunity to escape. Hidden in Teresa's house and protected by her, they live several adventures, becoming inseparable friends. Over time, matching with the end of the spring, Tim begins to transform in a Little tree. He has been away from his world and his people for too long, and only by helping him to return will Tim be saved. There is no time to lose, but be careful Vladimir is lurking.
回复 :甘草奏（丰永利行 配音）拥有着极高的颜值，乍一看绝对是校园里校草级别的人物，然而，女生们对他的评价却是“有点恶心的变态”，这到底是怎么回事呢？原来，甘草奏有一个不为人知的的秘密，在他的大脑里经常会出现某些看上去不那么妙的选项，如果不执行这些选项，那么甘草奏的大脑就会产生惨无人道的剧痛，与此相比，执行选项后所获得的旁人怪异的眼光仿佛也没那么糟糕了。 某日，一位名叫裘可拉（佐土原香织 配音）的女生从天而降意外出现在了甘草奏的身边，这是甘草奏的大脑里第一次出现和美好沾边的选项。裘可拉的到来改变了甘草奏的生命，开启了他充满了爆笑的日常。
回复 :和他同乘一班列车的少女桂言叶（冈嶋妙 配音）让伊藤诚（平川大辅 配音）久久不能忘怀，两人看似遥远的距离被日复一日的电车生活慢慢拉近了。在青少年间有一个传说，如果把喜欢的人的照片设置成为手机背景并且3个星期不被人发现的话，就可以实现成为恋人的愿望，虽然诚并不相信，但为了抒发他对言叶的感情，他仍然照做了。诚的同桌西园寺世界（河原木志穗 配音）发现了诚的秘密，热心的她决定帮助诚达成他的愿望。但在这过程中，西园寺世界发现自己对诚的感情有了微妙的变化，看着满眼只关注着言叶的诚，西园寺世界的心情非常复杂。诚终于向言叶坦白了自己的心情，两人相约在车站见面，然而满心欢喜来到车站的诚却发现，等待着自己的是西园寺世界。天生优柔寡断的诚无法妥善的处理这复杂的三人关系，一系列不负责任的错误选择把诚推向了无法挽回的悲剧之中。
