After transmigrating into a world of mixed anime universes, Mochuan becomes an adopted son of the Yukinoshita family from the start.
He grows up alongside the sisters Haruno and Yukino, enjoying a peaceful and wonderful everyday life.
Beneath the cherry blossoms, he meets the pure-hearted Mashiro Shiina and teaches her the basics of everyday life.
During a Lie in April, he holds Kaori Miyazono's hand and stays by her as she battles illness.
In the season of White Album, he plays "Für Elise" and bids Kazusa farewell.
In a virtual world, he saves Asuna's life, unaware that she has already fallen for him.
Many years later.
Just as Mochuan graduates from the University of Tokyo and prepares to inherit the Yukinoshita Group and say goodbye to the past,
the heroines from those days come knocking...