(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)
(SC27) [Hirokaworld (Hirokawa)] 15/21 (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(Puniket 21) [Hirokaworld (Hirokawa)] Kojikabon Plus (Kodomo no Jikan)
[Hirokaworld (Hirokawa)] petta
(Puniket 19) [Hirokaworld (Hirokawa)] Shiikibi (Various)
[Hirokaworld (Hirokawa)] Shiikibi (Various) [Digital]
(Puniket 9) [Hirokaworld (Hirokawa)] Nyaa Hon
Pachie-bon
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan
[Hirokaworld (Hirokawa)] Neko Ebon Plus