- Author: Kohei Saito
- Language: Spanish
- Year: 2022
- Author: Kohei Saito
- Language: Spanish
- Year: 2022
- Author: Kohei Saito
- Language: English
- Year: 2023
- Author: Kohei Saito
- Language: English
- Year: 2022
- Author: Kohei Saito
- Language: English
- Year: 2023
- Author: Kohei Saito
- Language: German
- Year: 2016
- Author: Kohei Saito
- Language: Spanish
- Year: 2022
- Author: Kohei Saito
- Language: English
- Year: 2017
- Author: Kohei Saito
- Language: English
- Year: 2017
- Author: Kohei Saito
- Language: Portuguese
- Year: 2021