One day, Nagi jokingly tries to hypnotise his classmate and best friend, Mitsuki, into falling in love with him. The hypnosis doesn't actually work, but Mitsuki pretends to be affected and begins to aggressively pursue Nagi...!?

Leah is injured late at night and collapses in an unsafe alleyway. She has lost all her memories, and when she returns home, the servants are distant and her husband Paul's eyes are full of hatred. Just what was my life like? But even amid her anxiety, she found hope. Leah has come to love her husband, whom she is meeting for the first time. It seems that her previous self was cruel and she treated Paul horribly. What will happen when my memories come back? Eventually, Leah regains all of her memories, but the worst thing that could happen is worse than she could have ever imagined..! Source: Harlequin

Kitajima Kei (34) A highly educated elite lawyer. He is a brilliant man who can handle anything with aplomb and dexterity...except love. Kei has had a crush on his best friend since college for 15 years. He is not good at socializing, but his best friend's hand leads hiim out, He just loved the soft, low voice of his best friend. But when his best friend, Yusuke, got married, he put a lid on his feelings. While keeping them hidden, a younger tattooed man with a voice similar to Yusuke's asked him out. Kei is shaken by the proposal of a “substitute”...

https://www.cmoa.jp/title/287520/