Previously, it was reported that Watanabe Mayu would be releasing her first solo album on December 20. The title of this album has been determined to be "Best Regards!", and its details have now been unveiled. 

The album will be released in three types: Complete Production Editions A & B, and Regular Edition. Each type will include 14 tracks, but four of them will be different depending on the type.

In addition, Complete Production Edition A will come with a DVD containing six music videos and various special footage. Meanwhile, the DVD for Complete Production Edition B will contain live footage from her solo live held back in 2013. 

Check out the jacket covers and track list below. 

?CD?
01. Synchro Tokimeki
02. Otona Jelly Beans
03. Hikaru Monotachi
04. Rappa Renshuuchuu
05. Deai no Tsuzuki
06. Sayonara no Hashi
07. Onnanoko nara
08. Tadashii Mahou no Tsukaikata
09. Mamotte Agetakunaru
10. Saba no Kanzume
11. Kaze no Violin
12. Yasashiku Sasete
13. Nantai Renai Kurage Musume
14. Mayu no Tame ni

?DVD?
?Music Video
01. Synchro Tokimeki
02. Otona Jelly Beans
03. Hikaru Monotachi
04. Rappa Renshuuchuu
05. Deai no Tsuzuki
06. Sayonara no Hashi
?Special Footage
01. ?Watanabe Mayu Hanayome Shugyou Ryouri Kenkyuuka?Yuuki Susumu Sensei ni Deshi Iri!??
02. ?Chou?Megami Kourin ?Kyodai Mayuyu, Akihabara ni Shutsugen!!??
03. ?Honto ni Rappa Reshuuchuu?
04. ?Mayuyu ga Iku! Hajimete no Album Zukuri in L.A.?
05. ?Mayuyu Solo Live ?Zen Single Bun Digest de Meshiagare??

===

[Complete Production Edition B]

?CD?

01. Synchro Tokimeki
02. Otona Jelly Beans
03. Hikaru Monotachi
04. Rappa Renshuuchuu
05. Deai no Tsuzuki
06. Sayonara no Hashi
07. Onnanoko nara
08. Tadashii Mahou no Tsukaikata
09. Mamotte Agetakunaru
10. Saba no Kanzume
11. Yuuhi no Ijiwaru

12. Mirai no Koibito

13. Koi wa Shinpaishou

14. Junjou Sodasui

?DVD?
??Rappa Renshuuchuu?Hatsubai Kinen Solo Live ?Mayu's Restaurant Zenkyoku Full Course wo Meshiagare??
01. Opening
02. Synchro Tokimeki
03. Twin Tail wa Mou Shinai
04. Taiyou to Sanpo
05. Lavender no Juutan
06. Kiss no Sonar Oto
07. Hikaru Monotachi
08. Heart no Soup
09. Mayuyuroid
10. Otona Jelly Beans
11. Seifuku Identity
12. Zannen Shoujo
13. Sayonara no Hashi
14. Chiheisen no Kanata wa Doko ni Aru? -Beyond the horizon-
15. Mitsuami no Kimi e
16. Futari no Yoake
17. Saba no Kanzume
18. Cousin
19. Itsudemo Soba ni Ite Ageru
20. Goujou na Junjou
21. Shinjuku Yuutousei
22. Saisho no Jack
23. Rappa Renshuuchuu
24. Koi wo Funjatta
25. Koyubi no Hohoemi

===

[Regular Edition]

01. Synchro Tokimeki
02. Otona Jelly Beans
03. Hikaru Monotachi
04. Rappa Renshuuchuu
05. Deai no Tsuzuki
06. Sayonara no Hashi
07. Onnanoko nara
08. Tadashii Mahou no Tsukaikata
09. Mamotte Agetakunaru
10. Saba no Kanzume

11. Koyubi no Hohoemi

12. Mayuyuroid

13. Magirashite iru

14. Triangular