One after another! Having relationships with multiple men is a common culture!

(Kouroumu 14) [Ippongui (Ippongui)] Mizugi no Tewi-chan to Uwaki Shite Sex Shita | Having An Affair To Have Sex With Tewi-chan In a Swimsuit (Touhou Project) [English] {Doujins.com}

Futanari Kyousei Bokki Saimin Kaeriuchi Seibai! | Hypnotising a Futanari into having an Erection then having the Tables Turned and Getting Punished

[Tokiwa Yutaka] Futanari Kyousei Bokki Saimin Kaeriuchi Seibai! | Hypnotising a Futanari into having an Erection then having the Tables Turned and Getting Punished (Magazine Cyberia Vol. 144) [English] [Erokawa_senpai]

(C91) [Shiwodou. (Shiwo.)] Multiple☆Tinkle (Mahou Shoujo Lyrical Nanoha)

Multiple Paizuri (mostly) in Manga/Hentai/Western comics

[Meishou Misettei & Dolcchi Studio] Multiple Boy (Victory Gundam) [Raw]

[Multiple] Takara no Suzunari (Sakura Taisen)

[Arsenal] Multiple Steady Ch.1-4

[W@nd] Kirino and Ria get Multiple Creampies (ENG) =LWB=

[Usyuuri] Multiple Flowers

(C91) [Shiwodou. (Shiwo.)] Multiple☆Tinkle (Mahou Shoujo Lyrical Nanoha) [English]

Multiple Flowers

Multiple Festa! Deremas Oshi Chara Mawashi.

multiple partners

Fueru Martina | Multiple Jades

[maple-go] Maseo no Takurami - Musuko no Tomodachi to no Irogoto ga Musuko no Tomodachi ni Bareta Tsuma | Maseo's Plan. Wife's Affair with Her Son's Friend Is Exposed by Her Son's Friend. [English] [Avina]

[Kurokoshi You] Yome to Asobou! | Having Fun with My Wife! (COMIC ExE 08) [English] [Team Koinaka] [Digital]

Yome to Asobou! | Having Fun with My Wife!

Aisai Seikatsu | Having Sex With My Lovely Wife

Aisai Seikatsu | Having Sex With My Lovely Wife

A Wife Having Hypno Sex In Front Of Her Husband

Haraguro Miseinen to Namahame Shi Chau Kyonyu Hitodzuma | A Big Breasted Wife Having Raw Sex With a Handsome Young Man

(C97) [NIGHT FUCKERS (Mitsugi)] Aisai Seikatsu | Having Sex With My Lovely Wife (THE iDOLM@STER: Shiny Colors) [English]

[Studio Cross-Examination Clock (Ryosei Moromi)] Haraguro Miseinen to Namahame Shi Chau Kyonyu Hitodzuma | A Big Breasted Wife Having Raw Sex With a Handsome Young Man [English] {Doujins.com} [Digital]

[Kon-Kit] Aisai Senshi Mighty Wife 7th | Beloved Housewife Warrior Mighty Wife 7th (Yurushite Anata...) [English] [Kon-Kit Scanlation]

[Kon-Kit] Aisai Senshi Mighty Wife 5th | Beloved Housewife Warrior Mighty Wife 5th (Yurushite Anata...) [English] [Kon-Kit Scanlation]

[Kon-Kit] Aisai Senshi Mighty Wife 8th | Beloved Housewife Warrior Mighty Wife 8th (Yurushite Anata...) [English]

[Kon-Kit] Aisai Senshi Mighty Wife 7th | Beloved Housewife Warrior Mighty Wife 7th (Yurushite Anata...) [English]

[Kon-Kit] Aisai Senshi Mighty Wife 8th | Beloved Housewife Warrior Mighty Wife 8th (Yurushite Anata...) [English]

[Kon-Kit] Aisai Senshi Mighty Wife 6th | Beloved Housewife Soldier Mighty Wife 6th (Comic Toutetsu 2015-06 Vol. 5) [English] [SaHa]

[Kon-Kit] Aisai Senshi Mighty Wife 5th | Beloved Housewife Soldier Mighty Wife 5th (Comic Toutetsu 2014-12 Vol. 2) [English] [SaHa]

[Cobolt] Doreizuma | Slave wife (Doreizuma - The Slave Wife) [English]

[EBA] Dutch Wife Ooyasan | Landlady Dutch Wife (Action Pizazz HB 2013-10) [English] =TV=

[Koutarou] Mega Boing Wife ~Super Tits Wife Freaks~