Rei Nakashima

- Okiraku-xation
- Okiraku-xation - Single · 2026
- GA-TAN GO-TON
- GA-TAN GO-TON (Original TV Animation "Shumatsu Train Doko he Iku?" Opening Theme Song) - Single · 2024
- GA-TAN GO-TON
- GA-TAN GO-TON - Single · 2024
- Moshimo
- Moshimo - Single · 2025
- Treat Me As -Instrumental-
- Treat Me As - Single · 2024
- Treat Me As
- Treat Me As - Single · 2024
- Egao no Hana
- GA-TAN GO-TON (Original TV Animation "Shumatsu Train Doko he Iku?" Opening Theme Song) - Single · 2024
- Karappo no Tsuki
- GA-TAN GO-TON (Original TV Animation "Shumatsu Train Doko he Iku?" Opening Theme Song) - Single · 2024
- Goaisatsu
- TV Animation "Sugar Apple Fairy Tale" 2nd Season Opening Theme Song "Surprise" - Single · 2023
- Hajimaru
- TV Animation "Sugar Apple Fairy Tale" 2nd Season Opening Theme Song "Surprise" - Single · 2023

Okiraku-xation - Single

Okiraku-xation - Single

2026
Moshimo - Single

Moshimo - Single

2025
Treat Me As - Single

Treat Me As - Single

2024
GA-TAN GO-TON (Original TV Animation "Shumatsu Train Doko he Iku?" Opening Theme Song) - Single

GA-TAN GO-TON (Original TV Animation "Shumatsu Train Doko he Iku?" Opening Theme Song) - Single

2024
TV Animation "Sugar Apple Fairy Tale" 2nd Season Opening Theme Song "Surprise" - Single

TV Animation "Sugar Apple Fairy Tale" 2nd Season Opening Theme Song "Surprise" - Single

2023