Can't say I expected that. The signs were all there I guess. Her listening to Keiki whenever he was assertive, the chapter with the dog, and so on. As a side note, I still think the sister is the "Cinderella".
Holy shit my dick just fucking exploded. Say what you want I dont care, but that last page alone now puts this as one of the top harem manga out there. Lets go lads I just found the fucking jackpot