- Time goes by - Koumi Hayasaka - 2022-01-26
- Same mistakes - Koumi Hayasaka - 2019-11-20
- Up all night - Koumi Hayasaka - 2019-06-17
- Deep breath - Koumi Hayasaka - 2019-05-20
- Brand new days - Koumi Hayasaka - 2019-04-15
- No need to rush - Koumi Hayasaka - 2019-01-30
- Say good bye - Koumi Hayasaka - 2019-01-14
- All I need - Koumi Hayasaka - 2018-03-07
- Don't be afraid - Koumi Hayasaka - 2018-03-07
- Peaceful world - Koumi Hayasaka - 2017-08-09
- So beautifully - Koumi Hayasaka・Mimori Tominaga - 2016-09-28
- Precious - Koumi Hayasaka・Mimori Tominaga - 2015-10-28