
Quick answer — Haruko Momoi worked on My Bride is a Mermaid OVA (Theme Song Performance), My Bride is a Mermaid (Theme Song Performance), Nurse Witch Komugi (Theme Song Performance).
Haruko Momoi worked on My Bride is a Mermaid OVA (Theme Song Performance), My Bride is a Mermaid (Theme Song Performance), Nurse Witch Komugi (Theme Song Performance).