HANERU Kichijoji Honten is a pastry shop on the second floor of Kirarina Keio Kichijoji near Kichijoji Station, selling bite-sized baby castella made with fermented butter. It serves plain and chocolate butter castella and an butter grilled items, baked crisp on the outside and soft inside. There is a space to eat next to the shop, and a line of about 5 to 10 people forms even on weekdays. The rabbit-shaped castella comes one per bag.