Flexible Kouhai or Zero-stamina Tsundere.... hard choices.
Wait, isn't she his senpai?
From my characters.txt notes:
Fudo, Hanaichi (M)
o) ML
o) Age: 24
o) Perfect cogwheel who is efficient and finishes other people's work
o) Loved drawing as a child and wanted to earn a living with art
o) Won prizes for his drawings as a child, mostly watercolor
o) His single mother died when he was 15 and he and his sister were taken in by their grandmother so he quit drawing to work and support them
o) Non-stop working allowed little sister to live a worry-free life
o) Becomes Saori's mangaka assistant
o) Iroha was his only childhood friend
Wakaba, Saori (F)
o) FL
o) Age: 25
o) Top sales performer
o) Hanaichi's senpai
o) Dreamed of being a mangaka as a kid but gave up after rejections
o) Draws manga as a hobby and is pursuing her dream again to some degree
o) Hanako helped train her by having a contest over storyboards but it almost broke her before she pulled through