The "son" that I've lovingly raised for 18 years is now suddenly my "lover"!?

Akane is a handsome high school boy and Kyouji is a nursery school teacher who refers to himself as Akane's "father". Kyouji has been looking after Akane ever since he was a baby but on the latter's 18th birthday, Akane gave Kyouji a shocking confession!?



Notes:
- All chapters were split into two parts in the original serialization and later combined in the volume release.
- Includes one extra chapter.

(Source: Gentosha, translated)