IPX-612 _The teacher had sex with an underage male student and the ending

Since childhood, Karen dreamed of becoming a teacher. She tried her best and finally realized her dream. After a week of internship at the new school, she was assigned to be the homeroom teacher of a class. She tries to memorize students' names, calling them by nicknames. Karen is very popular with the students and they all love her except Hayato. He often skipped school and fought with students from other schools. Karen wants to help him and wants him to open up to her. She often meets and talks with Hayato, writing in the same diary as him. Gradually, feelings formed between the two. Even though she knows this is not allowed and will probably ruin Karen's childhood dream, she loves Hayato! Running away together to go on dates, going to hot springs, enjoying the moments of love... "I love you", "After I graduate, shall we get married?"... A beautiful but forbidden love, two people separated but their hearts will be together forever...