When the Introverted Me Got Surrounded by S-Tier Beauties After a Seat Change, a Secret Relationship Began (LN)

INKYA NO ORE GA SEKIGAE DE ESUKYU BISHOJO NI KAKOMARETARA HIMITSU NO KANKEI GA HAJIMATTA · Inkyā no ore ga sekigae de S-kyū bishoujo ni kakomaretara himitsu no kankei ga hajimatta · The Story Of How I, A Gloomy Guy, Ended Up Surrounded By the Top-Tier Beautiful Girls In Class After A Seat Change · 陰キャの俺が席替えでS級美少女に囲まれたら秘密の関係が始まった (LN) · 陰キャの俺が席替えでクラスカースト1位のS級美少女グループに囲まれてしまった件。