[Niratama (Sekihara, Hiroto)] Ultra Happy End (Smile Precure!) [にらたま (せきはら、広人)] ウルトラハッピーエンド (スマイルプリキュア！)

(COMIC1☆7) [Niratama (Sekihara, Hiroto)] Ai no Mikiri Hassha (Dokidoki! Precure)

(COMIC1☆6) [Niratama (Sekihara)] Doyoubi no Gogo ni. - Saturday Afternoon (Smile PreCure!) [English] [Yuri-ism]

(Rainbow Flavor 7) [Niratama (Sekihara, Hiroto)] Maple Sugar (Smile Precure!) [English]

[Niratama (Sekihara, Chinhou)] Fuufu Enman no Hiketsu | The Secret to a Happy Marriage (Suite PreCure) [English] [Yuri-ism] [2012-03-03]

Ultra Happy End

(C80) [Niratama (Sekihara Umina, Chinhou)] Tamani wa Iiyone (Suite Precure)

(Rainbow Flavor 8) [Niratama (Sekihara, Hiroto)] Atashi-tachi no Aruku Michi (Smile Precure!) [Incomplete]

(C82) [Niratama (Sekihara, Hiroto)] Teikakazura no Hana to Hototogisu (Smile Precure!)

(C81) [Niratama (Sekihara, Chinhou)] Fuufu Enman no Hiketsu (Suite PreCure♪)

(Rainbow Flavor 7) [Niratama (Sekihara, Hiroto)] Maple Sugar (Smile Precure!)