No Waifu No Life! 1

When Emi bumps into her college sweetheart Kazuki, old flames ignite with passionate reunions filled with burning desire—until duty calls her husband away. Left yearning, Emi turns her seductive attention to her eager son Haruto, indulging in forbidden pleasures that push boundaries of taboo lust. Their secret encounters grow wilder when Haruto invites his friend Ren, satisfying Emi’s deepest cravings in nights of wicked, insatiable passion.