- "Sayanee", a coupling song in the "Bokura no Eureka" single, is sung by all the NMB members to express their affection for their leader, Yamamoto Sayaka. The PV, composed of scenes of her helping the other members, finishes with her crying after watching the montage.
- One of NMB's goals was to perform in NHK's Kouhaku as a stand-alone act from AKB, as expressed in the song "31/12". Cue 2013's Kouhaku, their dream became true.
Heartwarming / NMB48