- Ima, Happy (今、Happy; Now, Happy)
- Akimoto Yasushi
- Ayrton Sena
- Other Information
- Arrangement: Nonaka "Masa" Yuichi
Artist: Bara-gumi (ばら組; Rose Group)
- Team A: Tatsuya Makiho
- Team K: Goto Moe
- Team B: Fukuoka Seina
- Team 4: Okada Nana, Nishino Miki, Murayama Yuiri
- Team 8: Sakaguchi Nagisa
- SKE48 Team S: Kitagawa Ryoha
- SKE48 Team KII: Ego Yuna
- NMB48 Team N: Ota Yuuri
- NMB48 Team BII: Yabushita Shu
- NMB48 Team BII / AKB48 Team 4: Shibuya Nagisa
- HKT48 Team H: Tashima Meru, Tanaka Miku, Yabuki Nako
- HKT48 Team KIV / AKB48 Team B: Tomonaga Mio
There are currently two versions of "Ima, Happy" to be found in AKB48's discography. These versions are:
- Ima, Happy (Original)
- Found on the Type-A and Theater editions of the "Kibouteki Refrain" single as track #2.
- Ima, Happy off vocal ver.
- Found on the Type-A and Theater editions of the "Kibouteki Refrain" single as track #5. This is the standard version without the main vocals.