https://www.cmoa.jp/title/303495/ A lovestory of an amnesiac young lady and the stoic young lord who adores her! After a carriage accident, the noble young lady Celestine loses her memories—so completely that she can’t even remember the face of her fiancé, Renato!?

August 201X, Ajisai block of Hiryuu City, Tokyo. A beautiful primitive girl called Sarasa suddenly appears before Fumiaki and his little sister Miku. After Fumiaki sees her important spot, Sarasa has two choices, to "screw" him or to "eat" him!! (Source: Gentosha Comics, translated)

https://www.cmoa.jp/title/348553/

High school student Tokita Natsumi cherished his girlfriend, Momose Ai, above all else. However, one day, Ai is stabbed to death by Yomiyagi Nozomi, who had previously attended the same juvenile detention center as Natsumi. Stunned by the sudden turn of events, Natsumi is called by Nozomi's name, but her voice sounds strangely familiar and gentle ?! From then on, Ai and Nozomi's personalities begin to switch places within Nozomi's body. Caught between his beloved girlfriend and the murderer who harbors a deep hatred for him, can Natsumi still continue to love her ?

After years of missed connections, our protagonist reunites with the junior he got along well with in high school. However, apparently, she has become a famous influencer.

There's this delinquent at my school who thinks she's wearing spats but doesn't realize she's actually wearing panties...