Umino and Naru

Umino and Naru explain everything there is to know about promise rings to Usagi. They then tell her there is some free classes she can take at a new local shop that will teach her how to make them. Naru tells her, "They say that if you make one and give it to your boyfriend, you'll stay together forever."
Key Cel (A1 End)
Sailor Moon Episode #77
They're thinking the same! Usagi and Mamoru's love rekindled
Omoiha onaji! Usagi to Mamoru no ai futatabi