Ojou-sama, Otona no Kiss no Ojikan desu.

She has a fiance, but instead she's having an unrequited love for her butler♡
But, in order to get married and be an excellent wife, she has to get bridal training from her butler!?
Her heart will pound from all kinds of love lessons soon! It's too stimulating so she might go crazy

(Source: Chibi Manga)

Notes:
- Includes 7 bonus chapters
- Includes the one-shot "Shinkon♡Shoya" (新婚♡初夜)
- Includes the one-shot "Ouji-sama wa Midara ni Midareru. (王子様は淫らに乱れる。)
- Includes the one-shot "Ano Hi, Kimi wa Aozora no Shita (あの日、君は青空の下)
- Includes the one-shot "Otokui Gohan Recipe"