So 3 pairs:
1st puppyle like guy with scary looking senpai but he is chill in general and love sweet things
2nd friends of first couple - seme in love sudennly confess and uke takes some time to realise his in love too
3rd little brother of puppy one but like in high school x his cram teacher with pretending "being chill and funny" all the time little brother figuse it out later confess they become couple when he get to university
Like a Sugar