Biri Wanko

Inuyama Arumi is the lowest-ranking student in her grade, while her boyfriend, Tsukimiri Yuki, holds the top spot. Yuki takes on the task of tutoring Arumi to help her prepare for her upcoming make-up exams. He tries his best to keep their study session strictly focused on academics. However, Arumi has other plans and deliberately distracts him by using her body to seduce him. Her teasing successfully breaks his concentration, leading the couple to abandon their textbooks for a passionate study break.