Sagitter's manga / #flower shop(1)

In which there are multiple stories. Chappie 1-1.5: in which our mc works at a flower shop and for many days, a mysterious hot man would come and give him ivies. Chappies 2-2.5: in which we follow the relationship between two high school boys and their complicated feelings for each other. Chappie 3: in which we follow the relationship between a tutor(?) and a shy boy. Chappie 4.5: in which we follow the short and heartwarming story of two boys being cute and slightly possessive.