不登校の幼馴染が学校に行く条件は、毎日俺とキスすることだった

[DeepL Translation - needs review] Hiroki, a senior in high school, goes to his childhood friend Yuki's house every day. When she doesn't come out of her room no matter how many times he calls out to her, Hiroki uses a last resort: "Is there anything I can do? He asks her, "Is there anything I can do for you?　I'll do anything." She says to him, "...... Then, kiss me every day. Then I'll go to school." 　Without knowing her true intentions, he kisses her in Yuki's room, on the rooftop, and in ...