男子禁制ゲーム世界で俺がやるべき唯一のこと1 百合の間に挟まる男として転生してしまいました

[DeepL Translation - needs review] Volume 1: A new type of school battle and romantic comedy that can never be yuri! I, Heero, have been reborn as an intruding character in a game world where boys are forbidden, and no matter what route I take, I'm sure to be doomed. The only way to avoid the looming death flag is to become stronger. Perhaps as a result of my desperate efforts, I've been favored by the game's heroines, including the elf princess Lapis, the maid Snow, her sister Rei, and the ...