Hitotsubana summary:
Experience the thrilling high school drama about a student obsessed with getting what he wants. That first love with an older student you secretly have a crush on - even if it never comes true, it usually turns into a bittersweet memory. Usually. But if it leads to morbid thoughts, this perverted love makes a jet-black "flower" blossom in the heart of the young man, which transforms the fleeting feeling of infatuation into something completely different. . . Where will this love-hate relationship lead those with whom it plays its game?