The Disappearance of Nagato Yuki-chan, Vol. 3 — Nagaru Tanigawa

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...