After spending time together and learning more about each other, next-door neighbors Amane Fujimiya and Mahiru Shiina have officially started dating. The two are happier than ever to be able to convey their true feelings for each other, but neither of them has any prior experience in romance. Despite that, the new couple decides to proceed with their relationship at their own pace. When Amane and Mahiru announce their relationship to their friends and classmates, word about them spreads quickly. The attention is not negative, though, as most people around them find the two more approachable and brighter than ever before. Cheered on by their friends, Amane and Mahiru continue their everyday lives, sharing new experiences while cherishing each other. [Written by MAL Rewrite]