خلاصه داستان : سایجو یک دانشجو با توانایی خاصی است. هرگاه زنی عاشق را ببیند، می تواند پرتوهای درخشانی را در اطراف آن زن ببیند.

Saijo has an ability to see special glow around women who are in love. Kitashiro, his childhood friend, the only person that knows about his ability, has had a crush on him most of her life, but Saijo tells her that she doesn't emit light around him which leaves her at a loss. Meanwhile, their classmate Yadorigi, who has a habit of liking guys belonging to other women, mistakes Saijo as Kitashiro' s boyfriend and makes a move on him. One day, Saijo accidentally sees a notebook that belongs to Shinonome, a girl who is trying to explore the meaning of love. They start an exchange diary to discuss the topic, but Kitashiro feels uncomfortable watching them deepen their relationship. And when Yadorigi sees this, she decides that she too wants to start an exchange diary with them.

خلاصه داستان : هفت نفری که مرتکب هفت گناه کبیره شدند: شهوت، پرخوری، طمع، تنبلی، خشم، حسادت و غرور، توسط شخصی در فضای بسته ای محبوس می شوند. این هفت نفر باید یک بازی را انجام دهند که موضوع مرگ یا زندگی است.

Seven people who committed the seven deadly sins : lust, gluttony, greed, sloth, wrath, envy and pride are locked up in a sealed space by someone. These seven people must play a game which is a matter of life or death.