Seikou! Lose A Virgin For The First Term (2013) - aniSearch.com
"Seikou" is also the name of a fictional high school baseball team in this series. Seikou_Ep_01_SUB_ITA.mp4
A reserved girl who recently rejected a love confession from a classmate. Unknown to others, she has a secret relationship with a student from a neighboring class, which becomes strained when he demands more than she is comfortable with. Seikou
While "Seikou" most commonly refers to the 2013 OVA in this context, the name also appears in other media: Seikou_Ep_01_SUB_ITA.mp4