Zenpen (前編) translates to "Part 1" or "First Half," indicating it is the first of a multi-part story. Shin Konya (新・今夜). This is often part of a series or anthology title.
: Since this is marked as "Zenpen" (First Half), you will likely need to look for the "Kouhen" (後編) or "Part 2" to complete the story arc. [Kishizuka_Kenji]_show_Down_Zenpen_(Shin_Konya,...
Due to the adult nature of Kishizuka Kenji's catalog, these works are intended for mature audiences only. They are generally not available on mainstream platforms like Mangasplaining but are indexed in specialty doujinshi archives. Mangasplaining: Episodes & Show Notes Zenpen (前編) translates to "Part 1" or "First