Sekirei - 365 Days Without a Girlfriend
- Volume 01Chapter 4-6
- Ch 6 Aug 26, 2020 Ch 5 Aug 26, 2020 Ch 4 Aug 26, 2020
- Volume Not AvailableChapter 1-3
- Ch 3 Modifier from Hell Apr 11, 2019 Ch 2 Second Feather: Dawn... Nov 14, 2017 Ch 1 First Feather: Resta... Nov 14, 2017
Spin off of Sekirei. Takes place 365 days before the return of Musubi. The tagline is "One year with his girlfriend gone. One year until she returns."