故事发生在日本国立科学与工程研究生院。一年前,该大学的冰室鸢尾将告诉她对同一研究成员Yukimura Tonight先生的看法。但是,他问道,“喜欢”的定义是什么?两人开始研究证明浪漫情怀。。While Thomas and Oscar are very much in love, after their first foster child returns to his birth mother, they find that they have different ideas about what it means to make a family.。Researchers from New Zealand investigate about the mysterious attacks of orcas to great white sharks in South Africa in 2017 and seek to discover if it will happen again.。