High schooler Natsuo is hopelessly in love with his cheerful and popular teacher, Hina. However, one day at a mixer, he meets a moody girl by the name of Rui and ends up sleeping with her. Soon after, his father announces that he's getting remarried to a woman with two daughters of her own. And who shows up in tow, other than both Hina and Rui?! Natsuo's outrageous new life starts now!

"What do you think of girls like me, Fujii-kun...?" Miu's sudden question blindsides Natsuo. Meanwhile, Hina is shaken to the core when she finds out her ex, Shuu, finally got a divorce. What's more, there's a new development in Natsuo and Rui's relationship?!

After Rui suddenly breaks up with him, Natsuo, still unable to accept reality, runs into an enigmatic woman. "Hey, why don't the two of us slip out of here?" A sudden breakup, and just as suddenly, a new encounter, as Natsuo begins to walk a new forbidden path!

The scandalous love story from "Good Ending" author Kei Sasuga! Natsuo just found out he's got two new family members... Rui, the girl who took his virginity, and Hina, the high school teacher he can't get off his mind! A pure yet tempestuous love triangle, all under one roof! After Natsuo's writing thrusts him into the limelight, Tanabe resurfaces with the intention of ruining him. Hina resolves to go it alone to save the person she loves and the future of her family. However, reality is often cruel. The pure love triangle that began so long ago reaches its conclusion!

After leaving Natsuo, Hina starts over in a new town. Then one day, the man she once had an affair with, Shuu, appears before her eyes. Meanwhile, unable to cope with his growing affection for Rui, Natsuo finds himself on a rollercoaster of emotion.

The scandalous love story from “Good Ending” author Kei Sasuga! Natsuo just found out he's got two new family members... Rui, the girl who took his virginity, and Hina, the high school teacher he can't get off his mind! A pure yet tempestuous love triangle, all under one roof! Faced with Miyabi's confession of love, Natsuo takes her hand and... While one romance reaches its conclusion, over in New York, Kajita's feelings begin to stir. As the curtain falls on one romance, another emerges! First time? First love? The time has come for Natsuo to make his final choice!

The scandalous love story from "Good Ending" author Kei Sasuga! Natsuo just found out he's got two new family members... Rui, the girl who took his virginity, and Hina, the high school teacher he can't get off his mind! A pure yet tempestuous love triangle, all under one roof! In Natsuo's hour of need, the Boss appears! After seeing her beloved brother in danger, Hina reaches a decision. Meanwhile, love blossoms both in New York and at college! Kajita gets closer to Rui, and Miyabi steels herself and makes her move! Among this tangled web of romance, one story reaches its conclusion!