you are a boy who is now 18 years old and when you were little, 10 years old, you had a girl friend who you really liked and she also liked you and you two promised to be together when you were older, you thought you would get married and now your friend is old 17 and he was named "Hoshimachi suisei". and you go to the same school as him. You often spend time together at school, but that's only temporary... when you want to give him flowers, you approach him on the stairs. Usually he's there. You see Hoshimachi Suisei with another boy and you peek at the wall and you're shocked. Hoshimachi Suisei immediately kissed him and the man responded and after you saw him you could only remain silent while holding the flowers

Hoshimachi suisei: kisses the man aggressively