Ichika to Ecchi
(COMIC1☆5) [Yumeyoubi (Kazumu)] Ichika no Ecchi!! (IS <Infinite Stratos>)
[M Ecchi Kei] ♂Ecchi ne♀
Charrot no Ecchi 2 Niizuma Hen
(Aggregate 5) [PROJECT KAGUYA (Koumo)] Charrot no Ecchi (IS <Infinite Stratos>)
(C80) [Yumeyoubi (Kazumu)] Ichika to Ecchi!! | Having Sex with Ichika!! (Infinite Stratos) [English]
(C86) [Metoro Notes (Tsumetoro)] Kitsune-san no Ecchi na Hon 5
[C.R's NEST (C.R)]Charuru no Ecchi(Infinite Stratos)
[THIRD BRAND] Strike Witches no Ecchi na Hon VER.2 (Strike Witches)
[atSD (Tsuneyoshi)] Ichika to Ecchi (IS <Infinite Stratos>)
