The story set in during the first year of Ayase's college (so 3 years since the end of the novel). Focused on Ayase x Kuroneko relationship as they comes to term with their strange BDSM-like relationship (this is canon in the novel). And maybe a bit more!
My Little Sister Can't Be This Cute/俺の妹がこんなに可愛いわけがない - Rated: T - English - Romance/Angst - Chapters: 27 - Words: 33,484 - Reviews: 10 - Favs: 24 - Follows: 22 - Updated: 12/29/2015 - Published: 7/9/2015 - [Ayase A., Kuroneko/Ruri G.]