Related Doujins, similar to お燐は発情期 from Touhou

Azur Lane

Sokuochi Honolulu

18

Touhou Project

Onsen Dosukebe Orin-chan!

23

Touhou Project

Satorin getting a sensual massage by Orin&Okuu

12

Touhou Project

Koishi-chan caught by Orin and Okuu in heat

10

Touhou Project

The Orinkuu Affair.

10

Touhou Project

Orin Chan Ni Natsukaretai

29

Touhou Project

Hatsujou Hatsune Tsuchu | 发情发热中

23

Touhou Project

Chireiden 耻隶殿

34

Touhou

Yume ochi Orin-chan | Lusty Dreamer Orin

27

Touhou Project

Petto Tachi ga Seiyoku Syorisiteru

24

Touhou

Miru ma ni make chau o rin ojichan

12

Touhou Project

Kaenbyou Rin Shuudan Aibu

26

Touhou

Osewa Shite Shite Orin Onee-chan

24

Touhou

Yume ochi Orin-chan | 꿈타락 오린쨩

26

Touhou

Yume ochi Orin-chan | Lusty Dreamer Orin

27

Touhou Project

Rental Fox

42

Touhou

Gaman Dekinai Orin Onee-chan

24

Touhou

Joshikousei Orin 3 | 女高中生阿燐3

32

Touhou Project

Petto Tachi ga Seiyoku Syorisiteru

23

Touhou Project

Chireiden 耻隶殿

34

Touhou

Komeiji-ke no Sei Jijou

35

Touhou Project

Kaenbyou Rin Shuudan Aibu

26

Touhou

MBH

30

Touhou

Orinrin to Ochinchin no Kagaku Hannou

26