Side story to Everyone Stand Up! Boys Love Private High School（https://bato.to/title/89834-everyone-stand-up-boys-love-private-high-school） focusing on Tachibana and Mizuki. Set after the events of the main story, the story centers on Mizuki, still the hardworking student with the goal to be first place during the upcoming term. Though now on friendly terms with Sousuke, Mizuki has his own reasons for aiming for the top place, even if it means working with Toshiki who often gets on his nerves but has the same goal as his. As the 30th annual sports festival aka BL festival is announced, Mizuki and Toshiki become closer than ever, and Mizuki starts to realize his partnership with Toshiki may be more than just business. 私立青嶺学園高等学校――そこは就職率1000％を誇る、通称【BL学園】!!　生徒が「受」と「攻」に分かれ授業を行う“専攻別授業”があるこの学園の2年生・蓮堂寺ミズキは、ビジネスパートナーである3年生・橘俊樹と共に、名実ともに学校一の「受け」と「攻め」を目指している。現在の1位・江口＆総介ペアを倒すことに日々燃えていた二人だけれど、交流を深めるにつれ“ビジネス”だけじゃない想いがあることに気づいてしまって……!?　「ミズキ。俺はお前の事が好きみたいだ」　大人気シリーズ第2弾☆　学校2位のハンサム攻め様×学年2位のツンデレ受けが繰り広げる、超王道エロコメ開幕です！