|Japanese Voice||Yui Horie|
|English Voice||Stephanie Young|
Riko's association with the Dai-Rin house began when Keisei was assigned to the nearby Sekku Temple. At the time, both the house and the temple were in a state of disrepair. It took Riko and Keisei, along with Riko's mother, to get both temple and house back to a livable state.