The Disappearance of Nagato Yuki-chan, Vol. 3

Bit by bit, Yuki gains confidence in herself and is able to relax around Kyon. But now that Yuki has taken her first steps in expressing her feelings, mother-hen Asakura worries that her little girl (?) might start pushing things too quickly. Asakura won't stand for any indecorous romancing on her watch. And she will be watching...