The relationship between Yuuta and Rikka starts to develop slowly in their own unique way as they begin to live together with Kuzuha under one roof. However, "chuunibyou"-plagued Satone, Yuuta's old acquaintance, showed up in the most unexpected place and time; challenging their budding, yet fragile relationship. Meanwhile, the rest of the Oriental Magick Napping Society in Summer club members continue to expand their own unique selves and relationships with one another.