Naruse

In the heart of Yugen City, Naruse West is a battleground where rival gangs clash for control. Ryuhara Ren, a new transfer student at Naruse High, arrives in Yugen with a heavy heart and a burning desire for answers. Haunted by the memories of his elder brother Kaito, who died after a tragic incident, Ren is determined to uncover the truth behind Kaito's fate. But as he delves deeper into the dark labyrinth of Yugen's underworld, he discovers a power within himself that transcends time itself. Throughout the year, he receives mysterious scrambled texts and experiences inexplicable déjà vu, Ren realizes that he possesses the ability to hop through time, glimpsing alternate realities and dark possible futures. Faced with this newfound power, Ren embarks on a perilous journey through the tangled threads of time, each leap bringing him closer to the truth he seeks so dearly. With each time hop, he inches closer to uncovering the dark conspiracy that threatens to engulf him and his loved ones. But as Ren soon learns, the power to change the course of history comes with a price. With danger lurking at every turn and betrayal lurking in the shadows, Ren must tread carefully if he hopes to rewrite the future and forge a new destiny for himself and those he now holds dear. In a city where loyalty is currency and power is everything, Ren must tread carefully if he hopes to emerge victorious in the ultimate showdown for supremacy.

2nd Year High School student Kotarou Fuma gets painfully rejected by his crush, after those string of brutal events, Kotarou realizes she doesn't need her, and proceeds to find another lover. But then a letter from a secret admirer knowing his secret, and also a confession of love from him. And other eccentric happenings!

Basara Tojo is a high school student studying at Hijirigasaka Academy when his father Jin suddenly gets "remarried" and asks Basara if he wants to have sisters. Basara meets his two new, cute stepsisters, Mio Naruse and Maria Naruse. After his father departs overseas, Basara quickly finds that the two sisters are actually part of a demon clan, and he is meant to be with the hero clan. Mio, a Demon princess, forcibly attempts to make a master and servant contract with Basara, but Maria has it end up being the opposite, with Basara as the master. Basara then keeps getting into ecchi scenarios, largely to protect Mio from being pursued by other demons who are after her heritage, which is passed down from the former Demon Lord Wilbert.