(C89) [ECHO (Echo Jiro)] Bero Bero Yuru Yuru Tanoshii Sex [English]
[ECHO (Echo Jiro)] Nanidameshi [English] [Digital]
[ECHO (Echo Jiro)] Kouyuu Ganbou no Hanashi [Digital]
(COMIC1☆4) [Echo View (Shibusawa Hayato)] Baka na Hideyoshi to HMK no Inbou (Baka to Test to Shoukanjuu)
[ECHO (Echo Jiro)] Ore no Tantou Kangoshi ga Kanja no Chinpo o Kuiasaru Kuso Bitch datta Ken ni Tsuite. 2 [Chinese] [YaoiCulture汉化组] [Digital]
[ECHO (Echo Jiro)] Usaki-kun no Makura [Eng]
[ECHO (Echo Jiro)] Bero Bero Yuru Yuru Tanoshii Sex [Digital]
(COMIC1☆4) [Echo View (Shibusawa Hayato)] Baka na Hideyoshi to HMK no Inbou | Stupid Hideyoshi and the HMK Conspiracy (Baka to Test to Shoukanjuu) [English] =Masamune+Kemikan=
[ECHO (Echo Jiro)] Ore no Tantou Kangoshi ga Kanja no Chinpo o Kuiasaru Kuso Bitch datta Ken ni Tsuite. [Digital]
[ECHO (Echo Jiro)] Usakikun no makura