Yuutousei Couple no Himitsu - Ch. 1

[MangaDex]

 

[danklamp]

New fetish unlocked

 

[Mangamoz]

Succubus?

 

[HartSkai]

The piercings say it all

she's a keeper

 

[Yuuki_Kataishi]

Huh... Looks like a plain glasses girl on the outside, but a dangerous(?) one on the inside... Why you don't put a ring on her, yet?