Satoshi Yabe, the school's newest teacher assigned to class 6-3, quickly becomes acquainted with the notorious Marui triplets: Mitsuba, Futaba, and Hitoha. Sensing a potential interest in the school nurse, Aiko Kuriyama, the triplets delibe…

A cold settled in Futaba, leading to an unfortunate entanglement with Yabe’s nasal secretions. Meanwhile, Hitoha gained access to Yabe’s apartment, leveraging the opportunity to secure a private viewing of Nipples and effectively blackmaili…

Yuudai Chiba caught sight of Hitoha's book, its pages filled with suggestive illustrations, and a desire stirred within him to see more. His friend Shinya Satou, witnessing his reaction, misconstrued his interest, assuming Hitoha’s desire w…

In an art class, Futaba, consumed by a fascination with breasts, produced a series of drawings depicting them. One particular piece caught the principal's eye, who declared it a work of art. Later, at the triplets' residence, Shinya attempt…

Under considerable pressure from her peers, Mitsuba accompanied Futaba to purchase a bra. Later, Nipples found himself drawn to the hamster motif adorning Mitsuba’s underwear, a detail that stirred jealousy in Hitoha. A heated exchange erup…

The night before the Sports Meet, Futaba resolved to practice, enlisting Soujirou to take on the roles of the other participants and the course's challenges. On the day of the competition, Futaba played with a fierce energy during a game of…

Hitoha finds herself captivated by a *sentai* show called Gachi Rangers, yet struggles to articulate her enthusiasm to others. This leads to a somewhat convoluted exchange between her and Yabe, who shares her fondness for the program, as a …

After a spirited game of Cops and Robbers, Mitsuba and Hitoha found themselves unexpectedly confined within the gym equipment locker. Later, a pang of jealousy stirred within Hitoha as Nipples grew comfortable in Futaba’s presence, a situat…

Yuudai attempted a surreptitious glance at Hitoha’s reading material, a presumption of explicit content coloring his curiosity. Instead, Hitoha, engrossed in a Gachi Ranger guidebook, misinterpreted his gaze as admiration for the heroic tea…

During a break with the first graders, Mitsuba retrieves an RC copter lodged in a tree – belonging to Miku’s younger brother, Ryuuta, a devoted fan of the Gachi Rangers. Later, when Hitoha displays her merchandise, Mitsuba misinterprets the…

Driven by a desire for weight loss, Mitsuba employs Miku’s phone as a stand-in for a costly exercise belt, a decision that later lands her in precarious circumstances when Miku begins searching for the missing device. Subsequently, Mitsuba …

Miyashita finds herself questioning Hitoha’s fear of heights, wondering if the girl resents her for conforming to the norm. Futaba joins Yabe’s talk show as the next guest. A casual game of dodgeball spirals into pandemonium with Shinya's d…

Futaba arrived at school with a fever, her flushed cheeks and drowsy eyes lending her a striking resemblance to Hitoha, a likeness that startled her friend. Soon after, Hitoha herself succumbed to the illness, a shared ailment that seemed t…