Quick answer — Yui Horie worked on Toradora! (Theme Song Performance), School Rumble (Theme Song Performance), School Rumble OVA (Theme Song Performance) and 15 more anime.
Yui Horie worked on Toradora! (Theme Song Performance), School Rumble (Theme Song Performance), School Rumble OVA (Theme Song Performance), Toradora!: Bento Battle (Theme Song Performance), Zakuro (Theme Song Performance), Papa no Iukoto wo Kikinasai! OVA (Theme Song Performance), School Rumble Third Term (Theme Song Performance), Love Hina Again (Theme Song Performance) and 10 more.