Kusa no Kanmuri Hoshi no Kanmuri

Included one-shots:
Volume 1: Step First Step, Joyride Daily (2 parts), Tengoku no Mon Tengoku no Niwa, Amai Hoshi Nigai Hoshi
Volume 4: Natsuyasumi no Tomo
Volume 5: Natsuyasumi no Tomo 2