Oshi ga Kounin Stalker ni Narimashita

Rooting for the super popular idol Moco Nanami is the reason for living for 17-year-old idol otaku Sora Amano. Lately, he's been worried because his belongings have been going missing. In the middle of this, Sora pursued and caught a suspicious person that was running away with his smartphone - but the identity of this person - is his favorite idol Moco Nanami!?!!?