What to do when polar bears are in estrus?
(C72) [Aa, Warera Katou Hayabusa Sentotai (Katou)] Circle Cycle [English] [SaHa]
[Club Bacteria (Kudara Naizou)] Cosmic Cycler (Urusei Yatsura) [Incomplete]
(C73) [LIMIT CYCLE (Kasiwagi Kazuhiro)] Mono to Koto (Touhou Project)
Fierce Tiger Estrus In The Forest
CL-orz15
Estrus
(COMIC1☆2) [etcycle (Cle Masahiro)] CL-ic #2 (Zettai Karen Children)
[BicyclE] 僕の知らない妻の七日間case/aoi
(CSP6) [TCA Cycle (TakaKuan)] Kujira to Tawamurete (Kantai Collection -KanColle-) [Chinese] [脸肿汉化组]
(SC40) [etcycle (Cle Masahiro)] Rydia de Iro (Final Fantasy IV)
Yukku-Recycle
(CSP6) [TCA Cycle (TakaKuan)] Kujira to Tawamurete (Kantai Collection -KanColle-)
[Cowbell] Giant Recycle
(C62) [Studio Wallaby (Nishitsuki Tsutomu)] Nishitsuki Recycle (Various)
Recycle -Shizai o Umu tame no Bakemono-tachi-
(C81) [Initial-G (A1)] Enikki Recycle 17 no Omake Hon - Criminal Girl (THE IDOLM@STER)
(C78) [GE-Shop (Geshop)] EstruSuwako (Touhou Project)
[Recycle (LASK)] Hayate san ga Kawaisugite Omowazu ONLY bon wo Tsukutte shimatta YO! (Mahou Shoujo Lyrical Nanoha) [Digital]
Unicycle
[Umino Sachi] Ikuiku Recycle | Aromatic Recycling (Action Pizazz Special 2012-04) [English]
[Oroneko] Hatsujou Inflation - Estrus Inflation | 發情時就充血膨脹了 [Chinese]
Nurse Recycle
Nagi-sama Recycle
[Inochi Wazuka] Ryoshuu ~Meguru Inga no.... | Prisoner - Karmic Cycle (Nyotaika Senka♥) [English] =LWB=
Do Hentai Miku
[Estrus Girls (Wise Speak)] Berlinetta toiu Onna | A Woman Named Berlinetta (Melty H) [English] [Gravyseal] [Digital]
(SC52) [Behind Moon (Q)] BehindMoon Recycle (Various)
Homo Ochi Gakuen Bicycle Club/Soccer Club
[Sagano Hellmer] Estrus Testing Kanako's Body Evolution Program Ch. 1-3 [English]
[Ozy] Male Smell Estrus (Tsuyatsuma Jouji) [English] [SaLamiLid]
[yam] Hentai Onii-san to Ichirinsha Shoujo | Pervert Guy and Unicycle Girl (Petit Hame!!) [English] {Mistvern + Bigk40k}
Nagisama Recycle
[Initial-G (A1)] Enikki Recycle 12 no Omake Hon (THE iDOLM@STER)
[Ootsuka Reika] Gokatei de Fuyou ni Natta Aniki Recycle! | Stay-at-Home Unnecessary Brother Recycle! (Dorori-chu) [English] {5 a.m.}
(C75) [TailBell (Osuzu Akiomi)] Estrus (Birdy the Mighty)