
Quick answer — Nozomi Yamamoto worked on Joshiraku (Theme Song Performance), Haganai NEXT (Theme Song Performance), Haganai (Theme Song Performance) and 4 more anime.
Nozomi Yamamoto worked on Joshiraku (Theme Song Performance), Haganai NEXT (Theme Song Performance), Haganai (Theme Song Performance), Haganai: Add-on Disc (Theme Song Performance), Why the hell are you here, Teacher!?: Thirteenth Period (Theme Song Performance), Why the hell are you here, Teacher!? (Theme Song Performance), Gekidol (Insert Song Performance).