Chirin, a newborn lamb, and his mother live a peaceful life in a meadow. As long as they stay inside the fence that protects them and the rest of the flock, they are free to frolic and graze on the delicious clover leaves. However, their idyllic life is shattered when a wolf named Wor attacks them in the dead of night, killing Chirin's mother. Struggling to process his mother's death, Chirin swears to become a wolf himself in order to avenge his mother, unaware of what this transformation would cost him.

As Yoko has her assistant scour the seabed in search of something, Madoka, unable to pilot Midori properly again, returns to Kamogawa to see the New Year in. Upon returning home, Madoka receives New Year's letters from Lan and Muginami, updating her about what's going on in their lives, to which Madoka makes a prompt reply. As the months pass by and Madoka moves up a year in school, Lan and Muginami visit an intergalactic replica of Kamogawa on the tourist planet Polyhedron. Takes place between seasons 1 and 2. (Source: Wikipedia)

In order to fulfill their dead father's wish, the siblings Takane Kiku and Takane Ryuji aim for the champion title of the boxing arena. Their sister, Kiku, will act as the trainer while her brother, Ryuji, will concentrate on the role of the boxer and learn the Boomerang. His battle with many rivals has led to the growth and maturing of Ryuji. The junior high boxing tournament has begun and Ryuji will be fighting his arch-rival, Kenzaki Jun. The battle begins. (Source: ANN)

Rinne no Lagrange short specials included in the Rinne no Lagrange Blu-rays and DVDs.