Student yuri. You can read them separately, but they are somewhat tied together. (source: Pixiv, translated) 1. Senpai and Kouhai (後輩と先輩) 2. That Girl at Cram School (塾のあの子) 3. A Hopeless Romantic Wants to Give Up on Love (恋をやめたい恋愛体質) 4. A Friend's Love (友人の恋) 5. Cheating and Atonement (浮気と償い) 6. The Day I Realized (気付いてしまった日) 7. 500 Times Over (500回繰り返す)