Kakegurui Letter AU Mary x Ririka Part 1 out of 3 of Unsent Love After the election, their relationship developed but they never truly went further. Friendship was what they called it instead. Before Ririka could even confess to Mary, the blonde was already with someone else. She graduated and left Hyakkaou without even confessing her love. One night, she finds herself love struck with the blonde in her thoughts. She longs to tell her what she feels but is afraid. Ririka writes letters to Mary but never sends them.