We don't have a biography for Itsuki Hashima yet. Hang in there, or go ahead and contribute one.
Appearances
A Sister's All You Need.
Main cast, played by Yûsuke Kobayashi
- Episode 1x01: I Only Need a Little Brother Who Can Cook, a Beautiful Naked Girl, and Friends I Can Relate To. (Oct 8, 2017)
- Episode 1x02: If Only a Miracle Would Happen. (Oct 15, 2017)
- Episode 1x03: As Long as It's Research. (Oct 22, 2017)
- Episode 1x04: As Long as You're Working. (Oct 29, 2017)
- Episode 1x05: All You Need Is to Write Novels. (Nov 5, 2017)
- Episode 1x06: Having Your Media Developments Go Well Is All You Need. (Nov 12, 2017)
- Episode 1x07: Adventure Is All You Need (Nov 19, 2017)
- Episode 1x08: All You Need Is Love and Friendship. (Nov 26, 2017)
- Episode 1x09: Nudity and Underwear Are All You Need (Dec 3, 2017)
- Episode 1x10: A Lack of Problems Is All You Need. (Dec 10, 2017)
- Episode 1x11: Becoming the Protagonist Is All You Need. (Dec 17, 2017)
- Episode 1x12: A Sister is All You Need? (Dec 24, 2017)