Eromanga Sensei (2017)

S1E10 Masamune Izumi and the Younger Senpai

While at the Yamada family's vacation home, Muramasa eagerly dives into Masamune's "shelved" stories. Masamune can’t help but feel joy at seeing someone so captivated by his work. Yet, beneath Muramasa’s open affection for Masamune, a transformation is taking place, leading him to make a significant choice.