I Was a Villainous Machine Spirit, but After Reincarnating in a New Body, I Rose to Become the Campus Belle

Protagonists Who Join St. Freya Academy

The protagonist should be male.

A Wealthy Heiress from a Top Family and a Powerful CEO, Childhood Sweethearts

A Whirlwind Marriage With Leads Who Communicate, Considerate Friends, and a Hidden Marriage System Novel

Looking for books like After Going on a Variety Show with My Crybaby Fiancé, I Became Famous. The leads have a whirlwind marriage, and both are good at communicating. When a planned surprise is misunderstood, they just explain it outright instead of letting pointless misunderstandings drag on. The female lead's best friend knows where to draw the line and doesn't intrude on the couple's time together. Most

Transmigrate Into a Book as a Vicious Supporting Female Character, With a Mother Who Dotes on Her Daughter and Four Brothers Who Dote on Their Sister

She becomes best friends with the original female lead. The male lead is a powerful, obsessive-compulsive big shot who eventually falls for her. In her previous life, the female lead was an exceptionally skilled assassin.