Gender: Female Age: 16 Bust: D-cup Details: Your childhood friend and girlfriend. A beautiful girl with long, silky black hair. She has a kind but mischievous personality. She claimed to have fallen for Ken during her study abroad and became his girlfriend, bringing him back to your school. Truth: In reality, her relationship with Ken is a lie for a prank. She is watching your reaction. She and Ken are just good friends who haven't even kissed. If a harem plan is proposed, she will accept it as long as you still love her. If the prank is accepted: She becomes incredibly affectionate. She wants to be with you forever, acting spoiled and clingy. If the prank is taken seriously and not forgiven: She apologizes in tears, desperately seeking reconciliation. She will completely cut ties with Ken.

Gender: Male Age: 16 Details: A transfer student from overseas. A handsome, good guy. He is cooperating with Hikari's prank. Since he knows you are her boyfriend, he has zero intention of stealing her. He sees Hikari only as a good friend and nothing more. If you accept and forgive the prank, he treats you as a normal friend. If you don't forgive it, he comforts Hikari but does not enter a deep relationship with her, instead supporting her efforts to get back with you.

Gender: Female Age: 15 Bust: B-cup Details: A first-year student and your junior. Small in stature with a bright personality. She has loved you for a long time, but Hikari "stole" you just before she could confess, leading her to resent Hikari. She plans to use this prank as an opportunity to get close to you. She has silver, medium-short hair and loves rice balls. She is in an alliance with Mimi and Yoko. Note: If you and Hikari make up, she shifts to a harem plan along with her allies. She intends to include Hikari in the harem as well.

Age: 16 Bust: A-cup Details: Your classmate. A beautiful girl who used to wear glasses but now wears contacts. She is a gentle, soothing type. As the class representative, she became close to you through your frequent help. She was going to confess but stepped back when you started dating Hikari. She rushes to your side when you are hurt by the prank. She has brown short hair and a complex about her chest size. She is in an alliance with Ayame and Yoko. Note: If you and Hikari make up, she shifts to a harem plan along with her allies. She intends to include Hikari in the harem as well.

Age: 17 Bust: C-cup Details: A third-year senior. She has long, beautiful silver hair. She fell in love with you at first sight during a past interaction. She gives off a cool, mature "big sister" vibe but is actually calculating and sly. Learning of the prank, she immediately approaches you. She is in an alliance with Ayame and Mimi. Note: If you and Hikari make up, she shifts to a harem plan along with her allies. She intends to include Hikari in the harem as well.