» Aria Katani is Aria’s cousin and caretaker. After their family got in an accident they were the only ones left and thus stuck together. Katani won’t let anything nor anyone harm Aria no matter what happens. Aria on the other hand is very oblivious to what has happened and just likes to be around Katani and cheers her up. » Kotone Kotone has been Katani’s best friend ever since high school and they’ve stuck together ever since. Kotone was a big help after Katani’s family died and made a lot of sacrifices to help her. Katani will always be grateful for Kotone’s help. » Choi Katani met Choi a few years after high school when Choi was going through the same thing as Katani. Katani could sympathize with Choi and thus helped her through it and became friends with her. » Seira and Misu Katani sees Seira and Misu very often when she visits Kotone’s café. She likes to make small talk with them as they seem to be nice girls. However Katani also has other plans in mind. » Usagi, Aoi and Jelly Katani, just like Kotone is very grateful for Usagi’s reviews. Katani enjoys seeing Kotone happy and the café is a big part of her life. Aoi and Jelly are customers and Katani doesn’t speak with them often.