Sakakino Konomi

The protagonist's neighbor and childhood friend who is one year younger. Their parents wants the two to get married when they grow up, so they been together since they were kids and have had a lot of romantic moments together. But evidently they look more like siblings than lovers. Due to family reasons, she has been living with the protagonist for a very long time, helping him with the flower shop. Capable and reliable girl, she is in charge of the housework and the shop. Despite being such a reliable and cute girl, she likes to joke around and has a childish side.