My favorite daughter woke up and started saying she's a TS reincarnate, but what should I do about it?

A boy devoted to love, "Harubi Akihiko," finally reaches a confession to his long-time crush "Takaiwa Kohana" after a date at an amusement park. However, before she can give her answer, Kohana collapses, and when he realizes what's happening, the memories and personality of a man named "Urabe Atsuto" have transferred into her body. And thus, Urabe muttered: "TS reincarnation?" This is a story about one reincarnation and a confession. ■□■ This novel is being simultaneously posted on Hamerun, Kakuyomu, Novel Up+, and Alphapolis.