This episode of Meisaku is inspired by "Urashima Taro" from the children's song. Bolt can not sing the song "Urashima Taro" to the end. An "Utashima Taro" appears and tries to teach him the correct lyrics...and fails.

Utashima Taro is voiced by Yuyu-uta, a YouTuber.
Dragon Palace
قصر التنّين
Er begab sich zum Drachenpalast,
Palacio del dragón
Palacio del dragón
Dans le palais sous-marin
il fut convié
Palazzo di Ryuuguu
Palácio Dragão
Рюгу-дзё