Author: AKIYAMA Haru
- Octave 1
- Alternative Name:
- オクターヴ, 八度音, 变调的旋律
- Status:
- Ongoing
- Categories:
- Drama, Seinen, Slice of Life, Yuri,
- Type :
- Japanese
- Author:
- AKIYAMA Haru
- Artist:
- -
Chapter list