DASS-390 — If You're Going To Lose Your Virginity, You Should Do It At The Same Time, Right? The Three Of Us Have Been Good Friends Since We Were Kids, So We're Going To Have A Week Of Lovey-Dovey Creampie Threesome Sex While Our Parents Are Away. Rimu Yumino

The three are still as close as ever, but Tomoki and Koichi begin to become more conscious of Rimu as a member of the opposite sex. Rimu also becomes aware of the two as members of the opposite sex, and invites them to come and play because her parents aren't around. Tomoki and Koichi have an unspoken understanding that they won't take advantage of Rimu. However, Rimu is curious about anything naughty, and is frustrated that Tomoki and the others won't make a move on her when she wants to be assaulted by them.