Yoshiko looks like she's having fun.Hehe...Bam-bam-bam-bam-bam-bam-bamDevil Bullet Rain!Maki! Yes!Let's go, Riko!Yoshiko's ImaginationThis stems from the fact that during the event story, Yohane initially has a Freudian slip and mistakes "duet" for "duel" (as in a fallen angel duel) when Riko says she is doing a piano duet with Maki.