Aquwa Co., Ltd. announced that its popular YouTube channel 'SunSun Kids TV' (boasting over 2 million subscribers and 3 billion views) has released a promotional video for the bath educational device 'Ofuro Aquarium' by Ichinen Mfg Co., Ltd. Collaborating with 'Gakken's Illustrated Encyclopedia LIVE', the waterproof device encourages children to enjoy bath time by playing rhythm games to collect virtual fish. The video was published on May 15, 2026, offering a fun solution for parents.