Fetish

Chapter 1-3: Sakagami Yuichio (uke, an office worker) X Kurosawa (seme that have a LEG fetish, Japanese branch head of UERGA, shoe fitting brand)

smell fetish

Amemiya (uke, have a round and sensitive ass) X Arashiro (seme, like to squeeze Amemiya butt)

mole fetish

hand fetish

Ioroi Shinya (seme, photographer) X Tamaki Kotarou (uke, manga editor)

biting fetish

ass fetish

Chapter 1-3: Youji (have oxyosmia, sensitive to smell) X Akira (the only smell that Youji love)
Chapter 4-5: Glen (incubus) X Ichinose Takumi (high school boy) [body fluid's aphrodisiac]

muscle fetish