Itsuka Tenma no Kuro Usagi – 02
「900秒の放課後〈後篇〉」 (900-Byou no Houkago (Kouhen))
“900 Seconds After School (Part Two)”
I don’t know if it was because Nakamura Yuuichi was his seiyuu or his sudden change from being a complete dick to a charismatic team leader, but Gekkou started to grow on me really quickly throughout the episode.