Tonic to Seduce My Brother

[The decadent uncle is soft and weak x the classic overbearing president's dark and twisted attack] [Two male protagonists + first love + tough talk + madness + self-redemption] Jiang Zhiyuan wanted to talk to Shen Sinian about his ideals, feelings, and his unresolved secret love. What they got in exchange was Shen Sinian's extremely crazy seizure and captivity. "Kitten needs to be good." As an omega uncle in his thirties, Jiang Zhiyuan had no choice but to let Shen Sinian "squish" him in order to keep his job until...