Alya Sometimes Hides Her Feelings In Russian Novel Volume 4 was written by Sunsunsun with illustrations by Momoco.

Summer vacation has arrived, so Masachika and Alya have some time to get closer and now she calls him by his first name! Plus, the student council goes on a trip: a private beach and summer festival fireworks set the mood. Swimsuits baring skin, dips in the hot spring, and a game of King really heat things up! What's going to happen in this place where all sorts of romantic situations are possible!?