1. Hen Ai 
A oneshot that describes the "strange love" the two main characters share. Rather humorous, as it often brings up that one is rather adamant about wanting to roleplay and the other "grudgingly" goes along with it. 

2. Tomari Ki (Torch) 
A man is stabbed and left for dead in an alley, but he is saved by a young man who has a halo and wings who calls for an ambulance. Later, the boy appears at the man's front door and claims to be an angel with broken wings, and states that the only way for them to heal is to make people happy. 

3. Messiah no Yakubi (Messiah's Bad Day) 
A man known as the Messiah whose tongue technique is said to heal impotence takes up a job to heal a nervous-looking man, but is quite surprised by the turnout. 

4. Ore no Doukyuusei ga Binkan Sugite Yabai! 
A pair of high schoolers decide to experiment by giving each other blowjobs. One wants to escalate to something more, but the other isn't sure... 

5. Ore no Doukyuusei ga Kagen wo Shiranakute Tsurai 

6. Kyoushitsu no Yugami 
A story regarding the "relationship" between a teacher and his lonely, introverted student. A sequel of Yugami Hajime.

There are a lot of things that Kouki doesn't have—no hobbies, no friends, no lover, no stable job, and no will to live. So when a random tussle with some kids gets him stabbed, he thinks maybe this is finally his ticket out of this crappy life. But just as he's about to pass out he sees a beautiful "angel"... How is Kouki supposed to cope when less than a month later, he's mysteriously healed, has astronomical bills to pay, and suddenly has the same beautiful angel as his amnesiac roommate?
 
(Source: Futekiya)

Volume 1 (2012/6/25) 
Cover illustration: Yuiji Aniya
 
1. Toyed. by Yuiji Aniya 
2. Love or Kick! by Nawako Mineshima 
3. Jyoukyou Monogatari (ジョーキョー物語) by Ai Nimoda 
4. Boku wa Anata ni Koi wo Suru (僕はあなたに恋をする) by Kei Ichikawa 
5. Red Hot Sweet by Musashi Yamane 
6. Ohirusagari no Hana no Kimi (御昼下がりの華の君) by Pie Sankakusha 
7. Koosuke-san, Zenra de Taiki! no Maki (コースケさん、全裸de待機!の巻) by Yamawomi 
8. Sono Uso wa Kuchihodo ni Shinijitsu wo (その嘘は口ほどに真実を) by Ringo Yuki 
9. Aotenjou no Killing Joke (青天井のキリング・ジョーク) by Funa Isono 
10. Kimishigure (キミシグレ) by Dokuro Jaryuu 
11. Chronic (クロニック) by Kashio
 

Volume 2: "Erotoro R18" (エロとろ R18; 2013/6/28) 
Cover illustration: Yuiji Aniya
 
1. Sweet♡Sweat♡Monkey by Yuiji Aniya 
2. Saigo no Hito (最後のひと) by Delico Psyche 
3. Saiminjutsu Nyuumon (催眠術入門) by Kashio 
4. Kaze no Sukima (風の隙間) by Kei Ichikawa 
5. Three Piece! by Ai Nimoda 
6. Ore, Higaisha (おれ、被喜者) by Hidesato Kimura 
7. Oh My Chubby,baby! by Nawako Mineshima 
8. Tenshiban no Ue (展翅板の上) by Nishi Sato 
9. Sickly by Musashi Yamane 
10. Help? by Yashiko 
11. Hen-ai (変愛) by Harada
 

Volume 3: "Erotoro R18 ver.SS" (エロとろ R18 ver.SS; 2014/8/9) 
Cover illustration: Yuiji Aniya
 
1. Fuuzokugurui deshita ga Toshishita Gakusei no Koibito ga Dekimashita (風俗狂いでしたが年下学生の恋人ができました) by Psyche Delico 
2. Nurui Otoko (ヌルイ男) by Aniya Yuiji 
3. 7-ji 32-pun 7-ryoume no Kimi (七時三十二分七両目の君) by Kashio 
You’ve heard about subway gropers, right? But what if someone had a fetish… to be groped… by a certain someone? 
4. Hen-ai: Maotoko-hen (変愛 間男変) by Harada 
5. Kairaku Loop (快楽ループ) by Musashi Yamane 
6. S dakara tte Namenna yo! (Sだからってなめんなよ!) by Ai Nimoda 
7. Koroshiya no Takaragai (殺し屋の宝貝) by Isato Natori 
8. Koi to wa Kinaru Mono (恋とは奇なるもの) by Nawako Mineshima 
9. Kajima-kun no Shiranai Nichijou (鹿島くんの知らない日常) by Hidesato Kimura 
10. Live by Eigo Yashiki 
11. Namae sae Iwanai (名前さえ言わない) by Kou Okada 
12. Furueru Mune no. (ふるえるむねの。) by Ricoco Coconoe 
13. 24-jikan Ireppanashi Practice (24時間挿れっぱなしプラクティス) Purugaria 
14. Ikujinashi no Spectator (いくじなしのスペクテイター) by Ataru Yamamoto 
15. Kanojo nano ni Otoko (彼女なのに男) by Inutoki & Shouhei 
16. Kiyoku Tadashiku Kashikou Renai! (清く正しく賢く恋愛!) by Yashiko
 

Volume 4: "Erotoro R18: Hatsukoi" (エロとろ R18 ～初恋～; 2015/6/10) 
Cover illustration: Yuiji Aniya 
1. Abenobashi, Hairo no Jinrui (あべの橋、灰色の人類) (The Gray Humanity of Abenobashi) by Hidesato Kimura 
Story of a guy doing lil yakuza jobs and his chance meeting with a guy named Megumi. 
2. Tonari ni Sunderu Neko no Koto (隣に住んでる猫のこと) by Delico Psyche 
A story about cousins, unhealthy relationships, and denial of one’s sexuality. And of course rough sex.
 
3. Ezaki Shounen no Yuuutsu (江崎少年の憂鬱) by Kashio 
4. First Love? wo Mouichido (ファーストラブ?をもう一度) by Yamawomi 
5. 0-ten Manten (0点満点) by Emao 
6. Sen wo Kaku (線を書く) by Aki Sakamoto 
7. Boku wa Ninkimono (ボクは人気者) by Inutoki & Shouhei 
Prequel to a story in Ringo, Ki kara Ochiru 
8. Koi ni Ochite Gomennasai (恋におちてごめんなさい) (Sorry for Falling in Love) by Yuiji Aniya 
9. Afureru Nureru (あふれる漏れる) by Yashiko 
10. Chigireta Te no Naka (ちぎれたてのなか) by Ricoco Coconoe 
11. Suimenka (スイメンカ) by Harada

1. Yajirushi (Arrow) 
A student who's had it super easy his whole life & an errand boy with communication difficulties. 

2. Hikizuru Oto (ひきずる音, The Dragging Sound)
Twisted codependency of a boy who can't let go of his childhood friend due to an accident. 

3. Yugami Hajime 
The prequel to Kyoushitsu no Yugami from Henai which describes the beginning of the characters' twisted teacher-student relationship. 

4. Chikan sareteru Kare wo Guuzen wo Hakken shite, teki na Tenkai de 
A student is molested on the train and realises that it was seen by a classmate. Said classmate is worried about it and offers for the student to ride the train together to hopefully deter the molester, yet it only gets worse... 

5. Rei no Otoko 

6. Henai: Maotokohen 
Continuation of the first story from Henai.

He's known as the Messiah, having brought countless men and women pleasure with his prodigious tongue skills. He's never been one to let another guy take him, until he crosses paths with a man claiming to have erectile dysfunction who tricks him into being the bottom! Ever since then, he can't seem to forget the ecstasy of that night, and to make things worse, the source of his troubles comes back for more...! In addition to the Messiah series, this collection includes the "Space Rhizomes" series about an old man with a beautiful, youthful appearance and his unruly (but a tad goofy) assistant who pour their blood, sweat and tears into developing adult toy technology, and the "Perverse Love" series. A "positive" world view exploding with light-hearted lust has been condensed into this long-awaited anthology! (Source: Renta!) 
1. Messiah no Kyoujitsu (メシアの凶日, The Messiah's Cursed Day) 
2. Messiah no Sentaku (メシアの選択, The Messiah's Choice) 
3. Uchuu no Mozuku (宇宙のもずく, Space Tentacles) 
4. Uchuu no Mozuku! (宇宙のもずく！, Space Tentacles!) 
5. Henai Fumou-hen (変愛 不毛変, Perverse Love) 
6. Uchuu no Mozuku!! (宇宙のもずく！！, Space Tentacles!!)

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