Zutto sumoopu no tān!!
(C88) [Kasshoku Waisei (YANAGI)] Shiru no Nominokoshi wa Genkin Desu. | Swallowing Is Not Optional. [English] [alparslan]
Comic Papipo 1998-10
(C75) [Przm Star (Kamishiro Midorimaru, QuanXing)] Optical Storm (Valkyrie Profile)
[Muroi] Kissa Lycolyco Ura Option [Kanzenban] (Lycoris Recoil)
[Option 5] Option 5 Vol. 01 (Various)
An Adoptive Father2 - Dot And Rope
Sinsekinnoie 1998nensei
KanzakiShirou-BettingNight 1998-5
COMIC Tenma 1998-11
Ketsuekigatabetsu Option
[Mutou Tetsu] Hai wa Hai ni (COMIC Papipo 1998-07)
Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-3,5-9
Tech Gian Issue 16 (February 1998)
[LUCK&PLUCK!Co. (Amanomiya Haruka)] Tokyo Moulin Rouge (Ah! My Goddess) [1998-06-30]
COMIC Papipo Gaiden 1998-08
[Optimism small country (Horikiri Haruto)] Jirettaikedo Ore ni Motto Te o Dashite Hoshii Nante Ienaidaro Daichi no Baka! (Haikyuu!!)
Tech Gian 016 (February 1998)
COMIC Papipo Gaiden 1998-09 Vol.50
Tech Gian Issue 25 (November 1998)
(C90) [Optimism small country (Haruto)] Soccer-Bu no Yoshida-kun (Haikyuu!!)
[Mamagult (Takao Ukyou)] Mamagult Katsudou Houkokusho Hikae 1997/11-1998/08 (Various)
COMIC Natural High Vol.31 1998-03
[Uesugi Kyoushirou] Fuuki Iinchou Odosare Ura Option ~Fukujuu no Inmon~ (ANGEL Club 2016-04) [English]
An Adoptive Father8 - Exorcist Reika2
An Adoptive Father6 - Black Hide Lust
Tech Gian 015 (January 1998)
(C87) [Optimism small country (Horikiri Haruto)] Oishii Milk no Shiborikata (Haikyuu!!)
COMIC Papipo Gaiden 1998-10 Vol.51
[Hissatsukun] Ura Option (ANGEL Club 2015-07) [English] [TripleSevenScans]
Ura Option
COMIC Colorful Bee 1998-12
[Chuuka Naruto] Gichichi - An Adoptive Father [English] [SaHa]
Sutabaa no Ura Menu
[Anthology] Pai;kuu 1998 August Vol. 12
COMIC Kairakuten 10.1998
[fulloption] Demongirl vore
[Umino Luka] Erosugiru Tokoya no Obasan ~Otona no Option wa Ikaga? 1-9(Complete) [cqxl自己汉化] [Digital]
(C78) [May no tenshi (Neyuki Rei)] brand-new Optique Girl (Original)
COMIC Papipo Gaiden 1998-03
COMIC Penguin Club Sanzokuban 1998-12
[Anthology] Pai;kuu 1998 October Vol. 13
Mist Magazine(Ladies Comics) (1998)
(SC54) [Katsuobushi (Horie)] Tsukuyo-san ga Iyarashii Koto o Sarete Shimau Hanashi 2 (Gintama) [English] [Twilight Sparkle1998]
Option
[LBL] The Pushover Adoptive Mother Lolibaba
(CR35) [Kensoh Ogawa (Fukudahda)] Super Optimistic Nyan Nyan (R.O.D THE TV)
COMIC Tenma 1998-08
[Ankoman] Nikaido, Bentou ni Ura Option o Tsukeru (Dorohedoro)
(C89) [Optimism small country (Horikiri Haruto)] Sutabaa no Ura Menu (Osomatsu-san) [English] [Rapinii]
[Jushoku to Sono Ichimi (Various)] Sakura ja Nai Moon!! Character Voice Tange Sakura (Cardcaptor Sakura, Sakura Taisen) [1998-10-10]
[Shikkokuno J.P.S. (Maruyama Kei, Hasumi Elan)] Black Beauty 1998 (Sentimental Graffiti, With You, Card Captor Sakura)
[Nakayohi (Izurumi)] EN (Neon Genesis Evangelion, Fushigi no Umi no Nadia) [1998-04-04]
(C89) [Optimism small country (Horikiri Haruto)] Sutabaa no Ura Menu (Osomatsu-san)
Taki Mitsu Yotsu: Gradually collapse
(COMIC1☆10) [Kaokuba (Shinyashiki)] Hentai Optics (Granblue Fantasy)
[Kumano Tooru] Shikareretakute, Ikenaiko | Bad girl who loves to get scolded (COMIC Penguin Club 2018-11) [English] [Shippoyasha] [Digital]
[fulloption] Lamia vore (English)
[Chuuka Naruto] Gichichi - An Adoptive Father