[Oohashiya (Oohashi Hikaru)] 3-nen A-gumi Kagai Jugyou (Mahou Sensei Negima!)

[Oohashi Ya] Erotical Mahora ( Mahou Sensei Negima )

[Oohashi Takayuki] World is mine

(SC32) [Oohashiya (Oohashi Hikaru)] SOSH (Suzumiya Haruhi no Yuuutsu)

[Oohashi Ya] Mahora Gakuen 78th Festival Mahora Chikku ( Mahou Sensei Negima )

(Comic Castle 2006) [Oohashiya (Oohashi Hikaru)] Harem Route (Fate/stay night)

[Oohashiya (Oohashi Hikaru)] Paradise Beach (Mahou Sensei Negima!)

(C59) [Oohashiya (Oohashi Hikaru)] Narushino (Love Hina)

(C72) [Oohashiya (Oohashi Hikaru)] LIQUID (Various)

(C72) [Oohashiya (Oohashi Hikaru)] LIQUID (Various) [English]