俺は義妹に嘘をつく〜血の繋がらない妹を俺が引き取ることにした〜

Synopsis

Encouraged by a bad friend, Rokurou Sanjo, a part-timer, starts using a matching app. The person he sent a "Like" to on a drunken impulse was none other than his stepsister, Yuuha, whom he had been estranged from ever since he was kicked out of the house two years ago. However, for some reason, he actually ends up "matching" with her!! Driven by a momentary whim, Rokuro begins exchanging messages with her while pretending to be a complete stranger, but...!?