Nonlinear Positive Observers

[PH (Tam)] Konnichiwa Positive Sensei (Sayonara Zetsubou Sensei)

(Mimiket 11) [Lala Studio (Ayase Shinomu)] Welcome to (School Rumble)

[Takada Kouichi] Lab Coat Female Observation [ENG]

Be Positive!!

[Ameyama Denshin] Yuutousei Doronuma Kansatsushitsu | Honor Student in the Quicksand Observation Booth (ANGEL Club 2015-07) [English] =LWB=

[NeonSign (DRE)] Neon's Report - Fukugougata Shukushou Gas no Kouka Sokutei | Neon's Report - The Observer Effect On Shrinking Gas [English] [Anonymous] [Digital]

[Kisaragi Gunma] Kouyaku Genshu | Public Commitment Strict Observance (Comic Megastore H 2004-05) [English] [SaHa] [Decensored]

Mami-san no Mune de Oyoida. Kimochi Yokatta.

[Ashika Nozomu] Negative-chan to Positive-kun ~Joushi no Are o Sawatte Kaeriuchi!?~ | 消极小姐和乐观先生~触摸上司的那个并进行反击!?~ 1-5 + Extra [Chinese] [莉赛特汉化组]

[Nishimura Haruka] Imouto no Daina Toko

(SC49) [Marked-two (Maa-kun, Juuichijou)] Fumi-chan no Kansatsu Nikki (Ge) | Fumi-chan's Observation Diary (Bottom) [English] [desudesu]

[guiltychain (Aoi Jun)] positive [Digital]

[Torochio] A story about being milked by Pi-nyan in a face-to-face position.

(C86) [waterwheel (Shirota Dai)] Suguha-chan Kansatsu Nikki | Suguha-chan Observation Diary (Sword Art Online) [English] {doujin-moe.us}

[Momoyama Jirou] ABDUCT ～Ike Nai Shiiku Kansatsu～ | ABDUCT ~The Wrong Breeding Observation~ [English] [desudesu]

[Momoyama Jirou] Jinbobo ~Abunai Shiiku Kansatsu~ | Jinbobo ~The Dangerous Breeding Observation~ [English] [desudesu]

Ore no Position Socchikayo!?

Aragae!Kinnikujyo no Mount position!!