I remember that "weird" panel from volume 7 of the first series, since there weren't any weird sound or bodily fluids falling on the ground, i decided to ignore those who said that Sanin fuck*d Angie, now i have to agree with them...
Still, sweet Phoe, even if she's sorry Tatiana still sacrificed her brother in order to survive, what doesn't make you think she won't do the same to you if she has to?
And how can Tatiana have been prisoner of Ivanovic from 13 if she older than Sanin and the rite of adulthood is done when the boys reach 15 years? She most likely lying again. (Or the author did a mistake)