A straightforward, pure-hearted high school romance begins here. Rintarou—big, brooding, and popular—has been a childhood friend of the protagonist since they were small. When he turns down yet another girl's confession, it seems like such a waste. But then he says, "No, because I love you." Wait—that's the first time hearing this?! Why me? There's no way he actually confessed. It feels like a loss, and honestly, it stings. Now that it's come to this, the only option is to put him to the test and see if he's worthy of being her boyfriend. Thus begins a pure and earnest high school love story.