One after another! Having relationships with multiple men is a common culture!
E-I
Ironna Kankei - Iro-Ero relationship Ch. 1-2, 4, 6, 8, 10, 12
Na no Nai Kankei | A Relationship Without Name
[Oohashi Takayuki] Para Furi ~ Strange those who cohabit ~ [Digital]
(C79) [ciaociao (Araki Kanao)] Kami-sama Kurashi [Godlike Living] (The World God Only Knows) [English] ==Strange Companions==
[STRANGE POP (KURO)] E-C07 CAPTIVE HONEY (Cutie Honey) [Digital]
A Relationship with Lewd Boobs Only!
[Narusawa Kei] Kare Kano Boshuu Chuu! | Relationships Wanted! (COMIC RiN 2010-10) [English] [Sling]
[Choco-Banana (Nanaki Nana)] Chicchai Mera ga Namaiki Kawaii node Jitaku ni Mochi kaette Onaho ni Shitemita (Strange Plus) [Digital]
(Touhou Leisure Land) [Doku-pepper (Shiina Kazuki)] Jikkenroku (Shin Megami Tensei STRANGE JOURNEY) [English]
シュマラヴァ
Prime Onaho
(C80) [Amarini Senpaku! (Yokkora)] Menyou naru Soap Lesson | A Strange Soap Lesson (THE iDOLM@STER) [English] {doujin-moe.us}
[Mizuryu Kei] Uchi no Kazoku no Fashion ga Okashii. - My family's fashion is so strange. (COMIC Megastore Alpha 2017-09) [Chinese] [亂譯爛改漢化狗] [Digital]
Shiori Dai-Nijuuyon-Shou Ituwari no Hate - Shiori Volume 24 The End of False Relationship
Hiroshi Strange Love10 - Summer Vacation
Umamuko Kitan | Horse Husband, the Strange Tale of Haginosuke and Violet
[Iwakoshi Kunio] Okasare Sukeban Ch. 1-6 | Sailor Uniform Hooligans 5 Violated Female Delinquents Ch. 1 - 6 [English] [Strange Scans]
[yasu] Ibitsu na Kankei ~Manatsu no YariCir Rankou Gasshuku~ - Distorted relationship
Kawaru Kankei | Changing Relationship
(COMIC1☆5) [J.O.C★e.go!! (Kasuga Souichi)] Igokochi no Ii Honey | Cozy Honey (Amagami) [English] =StrangeCompanions=
(C93) [S.S.L (Yanagi)] Chaldea Himitsu no Renai Shidou | Chaldea's Secret Relationship Guidance (Fate/Grand Order) [English] [Saint Quartz Scans]
[bifidus] Yuri-nee to no Shujuu Kankei | Master and Slave relationship with Yuri-nee (Kimi o Sasou Uzuki Ana) [English] [Redlantern] [Digital]
Hikawake no Ibitsu na Seijijou Ch. 3 | Hikawa Houshold's Distorted Sexual Relationships 3
(Zennin Shuuketsu 4) [Yano (Yano)] Aimai na Kankei | An ambiguous relationship (Naruto) [English] [Marie]
[The Amanoja9] STRANGE SEX
[Akai Mato] Kanzen Kanri no Kankei | A relationship of absolute control (Girls forM Vol. 04) [English] =LWB=
Near Distance Relationship
[Narusawa Kei] Kare Kano Boshuu Chuu! | Relationships Wanted! (COMIC RiN 2010-10) [English] [Sling] [Decensored]
(Futaket 10) [serious graphics (ICE)] ICE BOXXX 13 She's Strange (Space Battleship Yamato 2199)
[Tsuzuri] little strange lovers
[Napier Sabre (Ryu-Akt)] Relationship (Phantasy Star Portable 2 Infinity) [Digital]
Kanzen Kanri no Kankei | A relationship of absolute control
[StrangeSagittarius (Kisaki)] CHIYOchan ha 〇〇kobi wo sitta (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [新桥月白日语社] [Digital]
[STRANGE POP (KURO)] E-C06 (Megaman ZX) [Digital]
Ironna Kankei - Iro-Ero relationship
Ecchi kara Hajimeru Fujun Isei Kouyuu – illicit sexual relationship {Hennojin}
Okashi na Kankei | A Sweet Relationship
Sleep Relationship
[Esuke] DOLLS Pure Physical Relationship 4P Leaflet Melon Books
Itsumo Goriyou Arigatou Gozaimasu.
[Qdou Kei] Kaasan no Ijou na Aijou - Mother's Strange Love [Chinese]
Hikawake no Ibitsu na Seijijou Ch. 2 | Hikawa Houshold's Distorted Sexual Relationships 2
Crossdressing Boy and a Strange Massage Device Season 2
Strange Heart CH1
[Saigado] LIVE CUM Full Color | Live24 Sena Aitou's Case (Action Pizazz Special 2012-04) [English] ==Strange Companions==
[Sunagawa Tara] Aru Fushidara na Kankei no Kouroyku | The Effect of that Messy Relationship (Angel Club MEGA Vol. 14) [English] [Amoskandy]
[Izumiya] Strange Love - Hikari (English) (In Progress)
Conviction 3 - Stranger
A Relationship of Absolute Control
[Night Dream]Relationship of Kiseki and Teikou Basketball Manager - Blue Wolf Edition [Kuroko's Basketball] [English] [Tigoris Translates]
[Haikawa Hemlen] Kanojo no Kankei | Her Relationship (Shinzui SUMMER ver. VOL. 1) [English] {doujin-moe.us}
[StrangeSagittarius (Kisaki)] Sonia-hakase wa Tamatteiru | Professor Sonia is Pent-Up (Pokémon Sword and Shield) [English] [Coffedrug]
Hiroshi Strange Love5 - Secret Switch XX
[Shinogi A-Suke] Yuugen Onsen Kidan | A Strange Story of a Fleeting Beauty and the Hot Springs (COMIC MUJIN 2011-04) [English] [biribiri]
relationship -Mother & Son-
Kaa-san no Ijou na Aijou | Mother's Strange Love Ch. 1-2
(C87) [GT Works (GT)] Strange Days (Ku-neru Maruta)
[Jeanne DA'ck] A Strange Castle (Hokkai no Kotou Chira Chira) [English] [Digital]
Igyou Koubi Kairaku Jigoku | A Strange Hell Of Sexual Pleasure
[StrangeSagittarius (Kisaki)] CHIYOchan ha 〇〇kobi wo sitta (THE IDOLM@STER CINDERELLA GIRLS) [English] [xinsu] [Digital]
Strange Horror Show
(C73) [Hachiouji Kaipan Totsugeki Kiheitai (Makita Yoshiharu)] Walking with strangers (Rune Factory) [English] [SaHa]
[Tamagou] Rinjin Soukan ~ Danchi Tsuma to Danshi Gakusei no Ibitsuna Kankei ~ | Neighbor Adultery ~ A Warped Relationship Between Housewife and Schoolboy ~ [English] [friggo]
Kare Kano Boshuu Chuu! | Relationships Wanted!
A Strange Virus Has Turned Half The World's Women Into Horny Bitches
(C87) [EX- (Ocodo)] Stran - Len with strange dark (VOCALOID)
Tanin Mitai ni | Like a Stranger
Hiroshi Strange Love11 - Crossing Into The Next World
(SC35) [TTT (Miharu)] Yorozu fetishism (Various) [English] [Mukyu & Strange Scans]
Dekachin ga Suki #1
Strange Days
[Hindenburg] Chinotsunagari - Blood Relationship [Kinjirareta Asobi Chapter 1][English]
(ONE→HUNDRED 5) [Ichigiteishi (OKsio)] Strange After School (Mob Psycho 100)
[Tsuzuri] Disconnect Girl (little strange lovers) [English] [life4Kaoru]
(Reitaisai 11) [Tenrake Chaya (Ahru.)] Jiichan ga Chikurin de Hirottekita Inu ga Nanka Okashii | The Dog Gramps Brought Back from the Bamboo Forest is Somehow... Strange (Touhou Project) [English] {Sharpie Translations}
(COMIC1☆20) [StrangeSagittarius (Kisaki)] Majime de Doryokuka datte. (THE iDOLM@STER: Shiny Colors)
Uchi no Kazoku no Fashion ga Okashii - My family's fashion is so strange
Kyonyuu Mama to Kinshin Soukan | Busty Moms and Intimate Family Relationships Ch. 1
(COMIC1☆3) [Hachiouji Kaipan Totsugeki Kiheitai (Makita Yoshiharu)] walking with strangers 3 (Rune Factory Frontier) [English] [SaHa]
[walkalone] Karamication | Relationship-tion (COMIC LO 2017-12) [English] [SquigglesJP]
[Jingrock] Nonstop! Inukai-kun (Comic Megastore H 2008-03) [English] [Strange Grey Cat]
[Souko Souji] Umamuko Kitan | Horse Husband, the Strange Tale of Haginosuke and Violet (Kemono DIRECT) [English] [Mynock]
[Shiraishi Nagisa] Kinjirareta Futari | Forbidden Relationship (Boshi Chijou Kitan 2) [English] [Koichan]
[KAMADOYA, Satellite U (Fuwa Kaduki, Oruga Susumu)] Kimyou na Kajitsu - Strange Fruits (Gundam Wing) [English] [Neptise]
[7zu7] Michi Tono Dokidoki Shinkon Seikatsu!? - Stranger tono DOKI DOKI Newly-married life (COMIC BAVEL 2017-03) [English] {Hennojin} [Digital]
Uchi no Kazoku no Fashion ga Okashii. - My family's fashion is so strange.
Hiroshi Strange Love7 - Dreams
[Oomori Harusame] Okashina Futari | A Strange Couple (Kanako to Oji-san) [English] =LWB=
[TANABE] Hot Jam Ch.1-2 [ENG] [Strange Companion + XCX]
Muchi Ane -Sei ni Utoi Onee-chan- | Innocent☆Sister -My Onee-chan Is a Stranger to Sex-
[StrangeSagittarius (Kisaki)] CHIYOchan ha 〇〇kobi wo sitta 2 | Chiyo-chan's Sexual Pleasure 2 (THE IDOLM@STER CINDERELLA GIRLS) [English] {Doujins.com}
[Night Dream]Relationship of Kiseki and Teikou basketball manager - Green Tanuki edition[kuroko's basketball]
[Dende Ko-sha] A world of strange-Mystery World-21's
Gishimai no Kankei The Relationship of the Sisters-in-Law Original Script Uncensored
(SUPER23) [solafana (Nanai)] Sonna Karera no Kankei-sei. | Their Relationship (Free!) [English]
Strangelove Drug #01
Igyo no Kimi to | The Strange Creature and I
Space Maids VS Strange Space Plant
[Shibainu Lab (Hori)] HisoGon_Kikou Data Tsumeawase (Hunter x Hunter) [Digital]
Erotic magical world of strange relationships
(C77) [Kurimomo (Tsukako)] Mojimoji School Life (Code Geass) [English] =LWB+Strange Companions=
DLO-04 Kare to Watashi no Kowareta Kizuna | DLO-04 My Boyfriend And My Broken Relationship
12-sai Sa no Himitsu Renai | A Secret Relationship 12 Years Apart
Twisted relationship - summer camp group sex
Komi-san wa, H Mousoushou desu. _ Komi-san has Strange Ideas about Sex
[Oohashi Takayuki] Para Furi ~Strange those who cohabit~
[Napier Sabre (Ryu-Akt)] Relationship (Phantasy Star Portable 2) [Digital]
[5to:D (Kabe)] Ookami-san Ki wo Tsukete! [Beware Mr. Wolf!] (Code Geass) [English] ==Strange Companions==
[Tsukikaze Machi (Wox Yang)] Komi-san wa, H Mousoushou desu. | Komi-san has Strange Ideas about Sex. (Komi-san wa, Komyushou desu.) [English] [Rotoscopic+Constipat8] [Digital]
(C91) [Youmusya (Gengorou)] Shirasaka Koume to no Kankei 2 | The Relationship Between Me and Koume 2 (THE IDOLM@STER CINDERELLA GIRLS) [English]
[ReDrop] Zannen desu!! Airi-san (COMIC Megastore 2010-11) [English] =Team Vanilla + Strange Companions Scanlations=
E-C
little strange lovers - Disconnect Girl
Secret relationship
[Maka Fushigi] Short Distance Relationship - Little Sister [English] ATF
[ReDrop] HenKano - So Strange Girl Friend
(C66) [Cafe Ruanky (Miyamoto Takeshi, Kitazato Futaba)] Strange Qualia (One Piece) [English]
(C54) [bolze. (rit.)] Strange Love (Neon Genesis Evangelion)
[Arasumi Shii] Back to the Iinchou (COMIC Megastore 2011-07) [English] ==Strange Companions== [Decensored]
[Shiden Akira] Omocha Shounen [Toy Boy] [English] ==Strange Companions==
Akai Akuma to Himitsu na Kankei | Secret Relationship with a Red Devil
[Come hermitage] Causal relationship over mother-Kazumi 2ー
[Come hermitage] Causal relationship over mother-Kazumiー
Himawari no Kage | The Other Side of the Sunflower
[Saemon] Ironna Kankei - Iro-Ero relationship [Chinese] [開坑當做例行重嵌組] [Incomplete]
(SUPER23) [Aiou (Aoshi Hina)] Hen na T-shirt Kisetara Kareshi ga Okashiku Natta | Having donned an odd t-shirt, the boyfriend became strange (Free!) [English] [Arigatomina]
[Mizuryu Kei] Uchi no Kazoku no Fashion ga Okashii - My family's fashion is so strange (COMIC Megastore Alpha 2017-09) [English] {Exo Subs} [Digital]
(C83) [The Knight of the Pants (Tsuji Takeshi)] Quickening (Neon Genesis Evangelion) [English] [Strange Companions]
Aru Fushidara na Kankei no Kouroyku | The Effect of that Messy Relationship
Kimi to Boku no Kankei | The Relationship Between You & I
Kyouei Kitan | Strange Tale of the Mirror Reflection
[KAMADOYA, Satellite U (Fuwa Kaduki, Oruga Susumu)] Kimyou na Kajitsu - Strange Fruits (Gundam Wing)