Sensei to, Zutto (Sequel)...https://bato.to/title/159196-sensei-to-zutto
Doumoto Sakuta (19) the younger, cheeky, affectionate and carnivorous seme X Sawada Rei (28) the sullen older uke who has a troublesome personality, is secretly perverted, and has a dark past.

Sakuta managed to get Sawada, a popular teacher at his school, to promise to start dating him after he graduates. After graduating, Sakuta came to fulfill their promise and kissed him but then...? This is the story showcasing the growth of their love that began after graduation.
高校生の咲翔は、人気教師・佐和田令のことがなぜか無性に気に食わなかった。ある日、令がゲイという噂を聞きつけた咲翔は、「先生が自分を好きになれば見返せる」と考え、卒業したら付き合う約束をなかば強引に取り付ける。そして卒業後、約束を果たすため令にキスし押し倒す咲翔。オトナで経験豊富であろう令に、Hの指南を請う咲翔だったが……！？　
卒業して始まる、育ち盛りな恋物語。