ones i've managed to recall at the top of my head (as always, i'm too lazy to search) - konbini-kun - doushitemo furetakunai - (the all-popular) sekaiichi hatsukoi - hatsukoi no atosaki - cafe latte rhapsody there's plenty of cute ones TBH as long as you know how and where to look.
Any yaoi/shounen ai mangas where uke/seme is afraid of falling in love because they got rejected/humiliated or smth along that line before ヾ(☆▽☆)