Ashita no Yukinojou - Season 1 Episode 2 Lost Days

Serena worries about her previous night spent with Yukinojo, and decides to forget about it. However, Yukinojo shows up in the class as a transfer student. Serina is surprised and puzzled by the unexpected reunion. Class president Reona, is also worried about Yukinosuke, who gives off the same atmosphere as herself. Sanae, Reonas best friend notices her feelings for Yukinojo, and encorages Reona to make Yukinosuke her boyfriend.