Back when the kids were just beginning to be interested in and infatuated with Bakarina, Anne had already sworn herself to Bakarina. Not only is she a part of the Bakarina harem, her member card reads 0001.
Apparently the official translation of the title is "I'll Call You This Warmth." Seeing as it came out in Japanese last week, there's obviously no announcement of a translation.
@EnjoyTheNoise
If you get someone to B-support you only need to raise their skill to D. That's one of the things that makes getting Ferdie, Caspar, and kinda Leonie such a pain; their B-supports are locked almost until the point of no return.