We Without Wings: Harue Kasuga

 Harue is a tomboyish crepe vendor who runs a cart called Pal Crepe.  She often uses Hayato's handyman skills.

We Without Wings: Naru Ohtori

 Naru is the cheerful younger sister of Kakeru.  Although she comes across as naive she can be quite perceptive.  Naru askes her crush Hayato to help her search for her bike and has a worker uniform fetish.