My Fiancé Is A Yakuza -Intimidating Yet Tender-

Following her mother's death, Mika Sayama is left to navigate life alone. Worried about how she'll support herself going forward, she is forced into marrying an intimidating gangster in exchange for financial support! But, much to her surprise, during their first night alone, Tatsuma kisses her tenderly and pushes for nothing more... Every day since, he follows her around, as if protecting her from something. As they spend time together, Mika starts to discover his clumsy and kind side, and finds herself slowly falling for him. And yet, Mika can't help but wonder why he cares about her so much when they've only just met...