A single parent and salary man, Atsushi, met his neighbor Hiiro through strange circumstances. He is concerned about beautiful, but also somewhat lonely Hiiro, yet he was told "You've heard of vampires, right? Don't get close to me..." Even so, Atsushi can't leave him alone and makes a proposition...?!

“You’re my number one. Is that not enough for you?”

Cover: AKAHOSHI Jake

Yaoi anthology dealing with "warped love" (SM, brutality, taboo relations, etc. - "Itai" means pain.)

1) "Zangai wa Asatte no Hou". by Emao
2) "Zutto Zutsuu" by Moriyo
3) "Namimori Miyachan 250yen" by Kimura Hidesato
I fell in love with Miya-chan. We started going out. Because I love him, I decided to have sex with him
4) "A Robot Token" by Taratsumi John
5) "Nibiki no Gesshu" by Ido Gibou
6) "Sara Yashiki" by Kajimoto Reika
7) "Isonsei" by Kisayuki
8) "Wakarete Mosuki na Hito" by Hazu Nikko
9) "Trauma wa Moemasu Yone" by Yumuko
10) "Ai no Marking" by Yamada Rock
?You?re my number one. Is that not enough for you?
11) "Koi to wa Itai Mono Desu ne" by Akazaki Yuki
12) "Itami wa Aidesu!" by Susugu
13) "Erotomania" by Narazaki Neneko
14) "Shinkokuna Error ga Hassei Shimashita" by Akahoshi Jake
15) "Soshitsu Ari!" by Shibito Koiwazurai
16) "Kimi no Koibito no Hanashi" by Isaka Juugorou
17) "Test Play" by Ichikawa Kei
A couple's relaxed routine is disrupted when the one partner proposes a new kind of play. To his surprise, his significant other discovers a higher affinity to his role than expected.
18) "Iyayo Iyayo mo Wari to Yoi Toki ga Aru" by Mamemu
19) "Gogo 11-ji 15-bu Ashi no Summer" by Purugaria
20) "Roomshare no Hajimekata" by Nick/Nikku
21) "Yoake no Shiroi Milk" by Kagurazaka Hanko
22) "Itakute Moeru Kanbyou Ecchi no Susume" by Sasaki Ima
23) "Aitsu wa Kirawarete iru" by Puruchome
24) "Honjitsu no Loser" by Kasu
25) "Yasashii Itami" by Hasumi Shiro
27) "Koppa Mijin" by Shimaji
28) "Sekai de Ichiban Itoshiteru" by Konjiki Runa
29) "Yoiko no Asobi" by Sunako
30) "Akuheki Logic" by Yunopanchako