
Quick answer — Misuzu Togashi worked on Onee-chan ga Kita (Theme Song Performance), Onee-chan ga Kita: Hajimete no… Kitaa! (Theme Song Performance), Maken-Ki! Battling Venus (Theme Song Performance).
Misuzu Togashi worked on Onee-chan ga Kita (Theme Song Performance), Onee-chan ga Kita: Hajimete no… Kitaa! (Theme Song Performance), Maken-Ki! Battling Venus (Theme Song Performance).