My Aunt Wants Custody, but My Sister-in-Law Refuses to Budge

[School Life, Multiple Heroines] Chen Shu was reborn. Just as everyone was wondering whether he would choose his moonlight aunt or his childhood sweetheart, his cinnabar mole, in the ultimate either-or choice, he never expected that the first thing he would have to deal with after being reborn was who he belonged to! His aunt wants custody of him? But his childhood sweetheart refuses to back down!