Masachika is having trouble studying for exams until Alya decides to wager a favor on how well he does. When Alya discovers she wasn't invited to celebrate Masachika's birthday, she spends several days questioning just how close they actually are.
Keywords: anime , based-on-light-novel , harem , high-school , romance , romcom , shounen , slice-of-life , tsundere , watch-anime-series-online , tv-shows-online , based-on-manga , high-school-girl , japanese-high-school