Based on the character Rika-chan from Takara Tomy's long-running line of girls' toys, this is the third installment in the OVA series "Rika-chan" that aired in the 1990s. One Sunday. Rika goes to her friend Izumi's relative's house with Izumi and ends up answering the doorbell there. The house had a large tree in the backyard and was quite luxurious, but there was a shy girl named Akichan and her younger sister Tomochan who were a bit concerning.
| Actor | Role |
|---|---|
 Mika KanaiNot listed | Not listed |
 Yuko KobayashiNot listed | Not listed |
 Rei SakumaNot listed | Not listed |
 Akiko YajimaNot listed | Not listed |
 Yuri ShiratoriNot listed | Not listed |
 Naoko KoudaNot listed | Not listed |