Yerin Baek's single 'Fish' will be released as a special edition album. This CD is produced in limited quantities, including pre-order quantities, and is a season album with no plans to re-release it in the future. You can choose to purchase a CD-only product or an option that includes a keyring component. 

Option 1) 'Fish House'
It is a CD album in the form of a box containing a signature fish 'Butterfly Fish' magnet. It consists of 1CD, accordion-shaped insert (photo, 12 pages of lyrics), and magnet, and the magnet can be attached to the box lid.
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Option 2) 'Fish House + Youngest Keyring'
This set includes a specially designed heart-shaped keyring on a CD. Made from cast aluminum, finished in all white silver plating, and engraved on the ring and pendant.

<Song Introduction>
It is Yerin Baek's original Korean album released since the EP album 'Our love is great' in 2019, and her first digital single in six years. 'Fish' consists of a total of three songs, including 'That Was Me' and 'Maknae', along with her title song 'Fish' of the same name.
The title 'Fish' contains a message to a person who is a little different from others and a precious person who stands by my side. It is an album expressed with the purest and unbiased mind of the artist.

<Details>
1) CDs
This CD is in the shape of a round box that resembles a house where fish live. The 'Butterfly Fish' fish magnet, which is a component, can be attached to the top of the box lid. 
- Cylindrical box (W135.5 × H135.5 × D38 (mm))
- Booklet (photo, lyrics – 12page)
- Magnet (W38 × H38 × D19 (mm))
- 1CD

2) Keyring
The Loved One (Maknae) A keyring in the shape of a heart. It is all white silver plated, and Yerin Baek and Pisces are engraved on the ring and pendant respectively. 
- The keyring can only be purchased as a CD component, not sold separately.
- Due to the nature of silver, discoloration may occur, so please store it away from air and water when not in use.