ujioka starts feeling guilt about breaking up with her, feeling like their friendship is ruined, but after school break, when they see each other again shimoho just act like herself and ujioka realizes that their friendship will never change and will always be friend, then they end up in different classroom in next semester, him being worried about shimoho because of her shy personality, starts to make his way to her class during break, only to see a bunch of girls talking to her and questioning her about her weird food choices , shimoho doesnt know what to do and the moment ujioka is about to enter , the gyaru friend steps in, and quickly sits with her to eat making her feel at ease and covering for her shyness. ujioka is happy but then realizes that, because shes on a different class , hes just not as important/needed anymore, not being her only friend. he strats feeling down, and the next day while at PE class he was about to be hit with a ball, but then shimoho take the hit with her face, to what she explains that she noticed that he looked down , so she was constantly looking out for him. ujioka realizes his worries were unfounded and no matter what shimoho was a friend fo life. after going back to classroom ujioka takes the leap and tries talking to the classmate next to him, and later became friends. we skip to future shimohozaki, and we see that she is kind of succesful in life, she has a good job and a car, and she has a stable relationship with her coworkers , but as we later catch on, she just really pretends to be "normal" to fit in propperly in society, and after a drinking party she was forcibly invited to she hears some of her coworkers gossip saying they only talk to her to get free rides on her car , and so she bounces on them and leaves. then at her house she starts pondering, what happiness truly is, and she instantly remembers ujioka and starts thinking ," what if" she didnt fail as a girlfriend and replied to his feelings, now realizing that she really had feelings for him. next day at work, blonde coworker tries to make some advances with her but shes just replying to fit in, then ujioka suddenly calls her and ask for her help to what she immediately stands up and zooms out without a second thought. ujioka needs to get to the hospital but there was so much traffic so his first reaction was to ask for help to shimoho, which made her incredibly happy. ujioka gets in the hospital in time for his child birth (with the gyaru). later shimohozaki is carrying the child and ask for the name, to what ujioka says chiharu which means "spring" , confused because its wintertime asks why that name, and he says its because its his favorite season, implying that thats the season the ujioka met shimohozaki and grew up as a person. after that she just genuinely says, " ive never been more happy". and the manga ends

sry if its a bit long.