- Muchu -Pf Ver.- - BE:FIRST / "A Calm Sea and Beautiful Days with You (波うららかに、めおと日和)" OST(夢中)$3.99
- 夢中 - BE:FIRST$4.00
- Muchu -Piano ver.- - BE:FIRST$5.99
- Muchu OST ver. - BE:FIRST$18.00
- Muchu - BE:FIRST(★★★★☆)$3.70
- 夢中 - BE:FIRST$4.00
- A Calm Sea and Beautiful Days with You｜3 Songs set - "A Calm Sea and Beautiful Days with You (波うららかに、めおと日和) " OST(波うららかに、めおと日和)$9.80
- 夢中 ( inE♭/ 波うららかに、めおと日和 / BE FIRST / ビーファースト ) - BE:FIRST$3.10
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