Neechan to ×× ♥

1-7. Neechan to ×× ♥ (姉ちゃんと××♥); Comic Aun 2021-06, 08, 10, 12, 2022-02, 04, 06 8. Erabarenakatta Hou no Ko (選ばれなかった方の子); Comic Aun 2021-04